Austin to Atlanta (AUS–ATL) — Airlines, Schedules & Connections

AUS Airport Page →
811 mi airlines charter/private 273/wk
On-time Some delays Frequent delays
Flight Schedule 106 flights Verified 40m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
DL1344+4
DL Delta
321
5:25 AM
CDT TM
8:48 AM
EDT
2h 23m
65%
M T W T F S S
Prices
WS7835cs
WS WestJet
321
5:25 AM
CDT TM
8:45 AM
EDT
2h 20m
M T W T F S S
Prices
KE3150cs
KE Korean
321
5:25 AM
CDT TM
8:45 AM
EDT
2h 20m
M T W T F S S
Prices
AM3754cs
AM Aeromexi
321
5:25 AM
CDT TM
8:48 AM
EDT
2h 23m
M T W T F S S
Prices
LA6623cs
LA LATAM Chile
321
5:25 AM
CDT TM
8:45 AM
EDT
2h 20m
M T W T F S S
Prices
WN343
WN Southwest
7M8
5:30 AM
CDT
8:45 AM
EDT
2h 15m
57%
M T W T F S S
Prices
WN251
WN Southwest
7M8
6:01 AM
CDT
9:21 AM
EDT
2h 20m
57%
M T W T F S S
Prices
WN186
WN Southwest
7M8
6:20 AM
CDT
9:35 AM
EDT
2h 15m
57%
M T W T F S S
Prices
AM3303cs
AM Aeromexi
321
6:25 AM
CDT TM
9:45 AM
EDT
2h 20m
M T W T F S S
Prices
DL1258+5
DL Delta
321
6:25 AM
CDT
9:45 AM
EDT
2h 20m
65%
M T W T F S S
Prices
WN385
WN Southwest
7S7
6:25 AM
CDT
9:40 AM
EDT
2h 15m
57%
M T W T F S S
Prices
KE5387cs
KE Korean
321
6:30 AM
CDT TM
9:51 AM
EDT
2h 21m
M T W T F S S
Prices
DL2899+2
DL Delta
321
8:15 AM
CDT TM
11:30 AM
EDT
2h 15m
65%
M T W T F S S
Prices
AM3424cs
AM Aeromexi
321
8:15 AM
CDT
11:30 AM
EDT
2h 15m
M T W T F S S
Prices
WS7034
WS WestJet
321
8:15 AM
CDT
11:26 AM
EDT
2h 11m
M T W T F S S
Prices
KE3507cs
KE Korean
321
8:20 AM
CDT TM
11:35 AM
EDT
2h 15m
M T W T F S S
Prices
AM3420cs
AM Aeromexi
321
10:35 AM
CDT
1:52 PM
EDT
2h 17m
M T W T F S S
Prices
DL2976+11
DL Delta
321
10:35 AM
CDT TM
1:52 PM
EDT
2h 17m
65%
M T W T F S S
Prices
WS6840
WS WestJet
321
10:35 AM
CDT
1:52 PM
EDT
2h 17m
M T W T F S S
Prices
AF2328cs
AF Air France
321
10:35 AM
CDT TM
1:52 PM
EDT
2h 17m
M T W T F S S
Prices
AF3472cs
AF Air France
320
10:55 AM
CDT
2:10 PM
EDT
2h 15m
M T W T F S S
Prices
WN2777
WN Southwest
7S7
11:25 AM
CDT
2:40 PM
EDT
2h 15m
57%
M T W T F S S
Prices
AF2254
AF Air France
321
12:09 PM
CDT TM
3:35 PM
EDT
2h 26m
M T W T F S S
Prices
AF2234cs
AF Air France
321
12:09 PM
CDT TM
3:36 PM
EDT
2h 27m
M T W T F S S
Prices
AM3394cs
AM Aeromexi
321
12:09 PM
CDT TM
3:36 PM
EDT
2h 27m
M T W T F S S
Prices
DL2886+14
DL Delta
321
12:09 PM
CDT TM
3:36 PM
EDT
2h 27m
65%
M T W T F S S
Prices
KL5057
KL KLM
320
1:16 PM
CDT
4:44 PM
EDT
2h 28m
M T W T F S S
Prices
WS6720
WS WestJet
321
1:31 PM
CDT
5:00 PM
EDT
2h 29m
M T W T F S S
Prices
SK3759cs
SK S
321
1:31 PM
CDT TM
4:53 PM
EDT
2h 22m
M T W T F S S
Prices
WS5520
WS WestJet
321
1:31 PM
CDT
5:00 PM
EDT
2h 29m
M T W T F S S
Prices
AF2321cs
AF Air France
321
1:31 PM
CDT TM
5:00 PM
EDT
2h 29m
M T W T F S S
Prices
AF2326
AF Air France
321
1:31 PM
CDT TM
5:00 PM
EDT
2h 29m
M T W T F S S
Prices
AM4048cs
AM Aeromexi
321
1:31 PM
CDT
5:00 PM
EDT
2h 29m
M T W T F S S
Prices
DL2011+6
DL Delta
321
2:27 PM
CDT
5:45 PM
EDT
2h 18m
65%
M T W T F S S
Prices
AM4190cs
AM Aeromexi
321
2:44 PM
CDT TM
6:13 PM
EDT
2h 29m
M T W T F S S
Prices
DL2104+8
DL Delta
321
2:44 PM
CDT TM
6:13 PM
EDT
2h 29m
65%
M T W T F S S
Prices
SK3206cs
SK S
321
2:48 PM
CDT TM
6:08 PM
EDT
2h 20m
M T W T F S S
Prices
WN373
WN Southwest
7M8
2:54 PM
CDT
6:00 PM
EDT
2h 6m
57%
M T W T F S S
Prices
WN254
WN Southwest
738
3:05 PM
CDT
6:30 PM
EDT
2h 25m
57%
M T W T F S S
Prices
WN1522
WN Southwest
737
4:15 PM
CDT
7:40 PM
EDT
2h 25m
57%
M T W T F S S
Prices
WN1351
WN Southwest
7S7
4:15 PM
CDT
7:40 PM
EDT
2h 25m
57%
M T W T F S S
Prices
WN236
WN Southwest
73H
4:35 PM
CDT
8:00 PM
EDT
2h 25m
57%
M T W T F S S
Prices
AM3578cs
AM Aeromexi
321
4:55 PM
CDT TM
8:33 PM
EDT
2h 38m
M T W T F S S
Prices
WS6851cs
WS WestJet
321
5:00 PM
CDT TM
8:26 PM
EDT
2h 26m
M T W T F S S
Prices
AF2237cs
AF Air France
321
5:00 PM
CDT TM
8:39 PM
EDT
2h 39m
M T W T F S S
Prices
LA6340cs
LA LATAM Chile
321
5:00 PM
CDT TM
8:26 PM
EDT
2h 26m
M T W T F S S
Prices
AF2303
AF Air France
321
5:00 PM
CDT
8:39 PM
EDT
2h 39m
M T W T F S S
Prices
VS3052cs
VS Virgin Atlantic
321
5:40 PM
CDT TM
9:06 PM
EDT
2h 26m
M T W T F S S
Prices
KE3508cs
KE Korean
321
5:40 PM
CDT TM
9:06 PM
EDT
2h 26m
M T W T F S S
Prices
F94702
F9 Frontier
A21N
5:51 PM
CDT
8:58 PM
EDT
2h 7m
M T W T F S S
Prices
DL1397+12
DL Delta
321
6:24 PM
CDT TM
9:46 PM
EDT
2h 22m
65%
M T W T F S S
Prices
WS6378cs
WS WestJet
321
6:32 PM
CDT TM
10:00 PM
EDT
2h 28m
M T W T F S S
Prices
DL1491+12
DL Delta
321
6:32 PM
CDT TM
10:00 PM
EDT
2h 28m
65%
M T W T F S S
Prices
AF2510cs
AF Air France
321
6:39 PM
CDT
9:57 PM
EDT
2h 18m
M T W T F S S
Prices
WN438
WN Southwest
738
7:50 PM
CDT
11:10 PM
EDT
2h 20m
57%
M T W T F S S
Prices
WN424
WN Southwest
7S7
8:45 PM
CDT
12:10 AM+1
EDT
2h 25m
57%
M T W T F S S
Prices
WN255
WN Southwest
73H
9:55 PM
CDT
1:20 AM+1
EDT
2h 25m
57%
M T W T F S S
Prices
WN423
WN Southwest
73H
6:05 AM
EDT TN
7:25 AM
CDT
2h 20m
70%
M T W T F S S
Prices
WN4363
WN Southwest
737
6:19 AM
EDT TN
7:38 AM
CDT
2h 19m
70%
M T W T F S S
Prices
LA5052cs
LA LATAM Chile
321
8:05 AM
EDT TS
9:33 AM
CDT
2h 28m
48%
M T W T F S S
Prices
WS6734cs
WS WestJet
321
8:05 AM
EDT TS
9:33 AM
CDT
2h 28m
49%
M T W T F S S
Prices
DL2976+11
DL Delta
321
8:10 AM
EDT TS
9:30 AM
CDT
2h 20m
55%
M T W T F S S
Prices
AM3488cs
AM Aeromexi
321
9:40 AM
EDT TS
11:04 AM
CDT
2h 24m
44%
M T W T F S S
Prices
DL2886+14
DL Delta
321
9:40 AM
EDT TS
11:04 AM
CDT
2h 24m
55%
M T W T F S S
Prices
WS6403cs
WS WestJet
321
9:50 AM
EDT TS
11:22 AM
CDT
2h 32m
49%
M T W T F S S
Prices
KE5301cs
KE Korean
321
11:00 AM
EDT TS
12:26 PM
CDT
2h 26m
40%
M T W T F S S
Prices
AM3326cs
AM Aeromexi
321
11:05 AM
EDT TS
12:26 PM
CDT
2h 21m
44%
M T W T F S S
Prices
DL2011+6
DL Delta
321
11:05 AM
EDT TS
12:26 PM
CDT
2h 21m
55%
M T W T F S S
Prices
WN4777
WN Southwest
B38M
11:50 AM
EDT TN
1:10 PM
CDT
2h 20m
70%
M T W T F S S
Prices
DL2104+8
DL Delta
321
12:16 PM
EDT TS
1:39 PM
CDT
2h 23m
55%
M T W T F S S
Prices
WN158
WN Southwest
73H
12:49 PM
EDT TN
2:01 PM
CDT
2h 12m
70%
M T W T F S S
Prices
KL5057
KL KLM
321
2:15 PM
EDT TS
3:50 PM
CDT
2h 35m
M T W T F S S
Prices
AM3065cs
AM Aeromexi
321
2:20 PM
EDT TS
3:50 PM
CDT
2h 30m
44%
M T W T F S S
Prices
WN352
WN Southwest
73H
2:30 PM
EDT TN
3:55 PM
CDT
2h 25m
70%
M T W T F S S
Prices
KE3506cs
KE Korean
321
3:00 PM
EDT TS
4:33 PM
CDT
2h 33m
40%
M T W T F S S
Prices
DL1397+12
DL Delta
321
3:07 PM
EDT TS
4:21 PM
CDT
2h 14m
55%
M T W T F S S
Prices
F94211
F9 Frontier
A21N
3:10 PM
EDT TN
4:43 PM
CDT
2h 33m
37%
M T W T F S S
Prices
WN656
WN Southwest
737
3:55 PM
EDT TN
5:25 PM
CDT
2h 30m
70%
M T W T F S S
Prices
AF2105cs
AF Air France
321
4:00 PM
EDT TS
5:27 PM
CDT
2h 27m
32%
M T W T F S S
Prices
WS6653cs
WS WestJet
321
4:00 PM
EDT TS
5:27 PM
CDT
2h 27m
49%
M T W T F S S
Prices
AM3036cs
AM Aeromexi
321
4:00 PM
EDT TS
5:27 PM
CDT
2h 27m
44%
M T W T F S S
Prices
DL1491+12
DL Delta
321
4:00 PM
EDT TS
5:27 PM
CDT
2h 27m
55%
M T W T F S S
Prices
VS3131cs
VS Virgin Atlantic
321
4:25 PM
EDT TS
6:02 PM
CDT
2h 37m
32%
M T W T F S S
Prices
LA5055+1
LA LATAM Chile
321
4:25 PM
EDT TS
6:02 PM
CDT
2h 37m
48%
M T W T F S S
Prices
LA5054
LA LATAM Chile
321
5:20 PM
EDT TS
7:00 PM
CDT
2h 40m
48%
M T W T F S S
Prices
WS6496
WS WestJet
321
5:20 PM
EDT TS
7:00 PM
CDT
2h 40m
49%
M T W T F S S
Prices
LA5058
LA LATAM Chile
321
5:20 PM
EDT TS
7:00 PM
CDT
2h 40m
48%
M T W T F S S
Prices
WN766
WN Southwest
B38M
5:30 PM
EDT TN
6:55 PM
CDT
2h 25m
70%
M T W T F S S
Prices
WN435
WN Southwest
738
5:30 PM
EDT TN
6:55 PM
CDT
2h 25m
70%
M T W T F S S
Prices
VS2188cs
VS Virgin Atlantic
321
6:59 PM
EDT TS
8:33 PM
CDT
2h 34m
32%
M T W T F S S
Prices
AM3011cs
AM Aeromexi
321
6:59 PM
EDT TS
8:27 PM
CDT
2h 28m
44%
M T W T F S S
Prices
WS5415
WS WestJet
321
6:59 PM
EDT TS
8:27 PM
CDT
2h 28m
49%
M T W T F S S
Prices
WS6419cs
WS WestJet
321
6:59 PM
EDT TS
8:27 PM
CDT
2h 28m
49%
M T W T F S S
Prices
AF2824cs
AF Air France
321
6:59 PM
EDT TS
8:27 PM
CDT
2h 28m
32%
M T W T F S S
Prices
DL1170+9
DL Delta
321
6:59 PM
EDT TS
8:27 PM
CDT
2h 28m
55%
M T W T F S S
Prices
WN178
WN Southwest
73H
7:20 PM
EDT TN
8:50 PM
CDT
2h 30m
70%
M T W T F S S
Prices
AF2093
AF Air France
321
7:45 PM
EDT TS
9:09 PM
CDT
2h 24m
32%
M T W T F S S
Prices
AF2775cs
AF Air France
321
7:45 PM
EDT TS
9:09 PM
CDT
2h 24m
32%
M T W T F S S
Prices
AF2538
AF Air France
321
7:45 PM
EDT TS
9:09 PM
CDT
2h 24m
32%
M T W T F S S
Prices
WS5443
WS WestJet
321
7:55 PM
EDT TS
9:18 PM
CDT
2h 23m
49%
M T W T F S S
Prices
AF2109cs
AF Air France
321
8:45 PM
EDT TS
10:12 PM
CDT
2h 27m
32%
M T W T F S S
Prices
AM3060cs
AM Aeromexi
321
8:45 PM
EDT TS
10:12 PM
CDT
2h 27m
44%
M T W T F S S
Prices
SK3205cs
SK S
321
8:45 PM
EDT TS
10:12 PM
CDT
2h 27m
M T W T F S S
Prices
DL1081+3
DL Delta
321
9:43 PM
EDT TS
10:59 PM
CDT
2h 16m
55%
M T W T F S S
Prices
KL5194
KL KLM
321
10:40 PM
EDT TS
12:20 AM+1
CDT
2h 40m
M T W T F S S
Prices
DL1335+8
DL Delta
321
10:59 PM
EDT TS
12:31 AM+1
CDT
2h 32m
55%
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
MSY New Orleans 3h 44m AMDLWN AFAMDL New Orleans (MSY) to Atlanta flights
PNS Pensacola 3h 57m WN AFAMDL Pensacola (PNS) to Atlanta flights
DAL Dallas 3h 59m WN AFAMDL Dallas (DAL) to Atlanta flights
ECP Panama City Beach 3h 59m DLEJATCN AFAMDL Panama City Beach (ECP) to Atlanta flights
IAH Houston 4h 3m ACCMEK AFAMDL Houston (IAH) to Atlanta flights
BNA Nashville 4h 7m AMDLEJA AFAMDL Nashville (BNA) to Atlanta flights
DFW Dallas-Fort Worth 4h 14m AAAFAS AAACAF Dallas-Fort Worth (DFW) to Atlanta flights
HOU Houston 4h 15m WN AFAMDL Houston (HOU) to Atlanta flights
TUL Tulsa 4h 24m WN AFAMDL Tulsa (TUL) to Atlanta flights
STL St Louis 4h 28m JTLUAWN AFAMDL St Louis (STL) to Atlanta flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Austin to Atlanta
3 carriers, 273 flights/week nonstop.
3 Airlines 811 mi 2h 23m nonstop +1h ahead

AUS–ATL is served by 3 airlines with nonstop service. Delta Air Lines, Southwest Airlines and Frontier lead the route. The flight covers 811 miles in approximately 2h 23m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop AUS–ATL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
DL Delta Air Lines Also: AF, AM, KE, KL, LA, SK, VS, WS 62 321 2h15-2h29 75% SkyTeam AF, AM, KE, KL, LA, SK, VS, WS
WN Southwest Airlines 22 737, 738, 73H, 7M8, 7S7 2h06-2h25 75%
F9 Frontier 7 A21N 2h07 75%
Aircraft on this route
320 Airbus A320 – AF, KL
321 Airbus A321 – AF, AM, DL, KE, LA, SK, VS, WS
737 Boeing 737-700 – WN
738 Boeing 737-800 – WN
73H Boeing 737-800 (Winglets) – WN
7M8 Boeing 737 MAX 8 – WN
7S7 Boeing 737 MAX 7 – WN
A21N Airbus A321neo – F9
Alliance coverage
SkyTeam: DL (62 flights/wk, 68%)
Unaffiliated: F9 + WN (29 flights/wk, 32%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, AUS to ATL direction.
Mon
42
flights
Tue
39
flights
Wed
38
flights
Thu
38
flights
Fri
40
flights
Sat
37
flights
Sun
39
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
57
Nonstop flights
273
Outbound / wk
251
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for AUS to ATL.
1-STOP
One-Stop Connections
95
Hubs
~3h
Fastest
~27h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
4,953
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
AUS → ATL
75%
Generally reliable. Most flights run on time.
Departing
75%
Arriving
73%
Return
ATL → AUS
85%
Generally reliable. Most flights run on time.
Departing
85%
Arriving
88%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. AUS delays → ATL delays →

Other ways to reach Atlanta from Austin

Nearby airports with service to Hartsfield Jackson Atlanta International Airport.
Metric AUS→ATL GRK→ATL SAT→ATL
Distance from AUS 61 mi 67 mi
Nonstop airlines 3 1 12
Weekly flights 273 181
Flight time 2h 23m 1h 53m 2h 1m
Departure OTP 75%
Airports within 200 miles of AUS with service to Hartsfield Jackson Atlanta International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Atlanta is 1 hour ahead of Austin.
AUS: CDT · ATL: EDT

When it's 6:00 PM in Austin, it's 7:00 PM in Atlanta.
Distance & Flight Time
811 mi / 1,305 km
Nonstop flight time is approximately 2h 23m gate to gate.
Getting to AUS

CapMetro Route 20 (Airport Flyer) runs between downtown Austin (Congress Ave) and AUS in about 30–35 minutes (fare $1.25, or free with MetroAccess). Service runs from roughly 05:00 to midnight; frequency drops evenings and weekends.Ride-shares (Uber/Lyft) from downtown cost $20–30 and take 15–20 minutes off-peak. Taxis run $30–40. Traffic on SH-71 can be heavy during afternoon rush; allow 30–40 minutes from downtown during 16:00–18:30. Long-term parking from $7/day in remote economy lots.

Getting from ATL

MARTA Gold Line connects the airport to downtown Atlanta (16 min, $2.50) and Buckhead (30 min). Taxis have a flat rate of $30 to downtown, $38 to Buckhead. Ride-shares are typically $20–35.

The SkyTrain people mover links the Domestic and International terminals, rental car center, and Georgia International Convention Center.

Atlanta Climate

Humid subtropical climate. Summers are hot and humid (30–35°C) with frequent afternoon thunderstorms that cause flight delays June through August. Winters are mild (2–10°C) with rare snowfall. Ice storms can shut down the airport when they hit.

Spring brings severe weather risk including tornadoes. Fall (September–November) is the most pleasant season for travel.

AUS–ATL Quick Facts

Key statistics for the Austin to Atlanta route.
Route details
Distance811 mi / 1,305 km
Flight time2h 23m
Time difference+1 hour
Airlines (nonstop)3
Weekly flights273 out / 251 return
1-stop connectionsAvailable
Origin: AUS
IATA / ICAOAUS / KAUS
TimezoneAmerica/Chicago
Passengers/yr21.4M
Elevation542 ft / 165 m
Destination: ATL
IATA / ICAOATL / KATL
TimezoneAmerica/New_York
Passengers/yr108.1M
Elevation1,026 ft / 313 m

Frequently Asked Questions

Common questions about AUS to ATL flights.
Nonstop flights from Austin Bergstrom International Airport to Hartsfield Jackson Atlanta International Airport take about 2h 23m gate to gate. The route covers 811 miles.
3 airlines operate flights from AUS to ATL: Delta Air Lines, Southwest Airlines and Frontier.
This route has frequent daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Louis Armstrong New Orleans, Pensacola and Dallas Love Field.
Atlanta is 1 hour ahead of Austin.
Yes, return flights from ATL to AUS are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include GRK, SAT and IAH. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.
Delta operates the most nonstop departures on AUS-ATL, typically three to four daily round trips through its Atlanta hub. Southwest flies the route from Austin's main terminal with two to three daily nonstop departures. American also offers nonstop service some days. Block time is two hours and eight minutes eastbound, around two hours westbound.
Delta flights from Austin arrive in Concourse B or C at Hartsfield-Jackson, which are Delta's primary domestic concourses. Southwest flights arrive in Concourse X or Y, accessible via the domestic terminal's west end. The underground people mover connects all concourses to the main terminal. Allow 20 minutes minimum between a domestic arrival gate and the baggage claim level.
Atlanta is Delta's largest hub and offers nonstop service to over 30 international destinations including Amsterdam, London Heathrow, Paris CDG, Mexico City, Bogota, and Lima. Minimum connection time at ATL for international connections on Delta is 45 minutes domestic-to-international. Austin passengers connecting to Delta transatlantic flights typically need to be in the system at least 90 minutes ahead of the international departure to safely clear the terminal change and security at ATL.

Austin to Atlanta: Tech Hub to Air Hub

AUS-ATL is a competitive nonstop market anchored by Delta, which treats Atlanta as its primary domestic and international hub. Delta typically operates three to four daily nonstops, with Southwest providing additional frequency. The block time runs around two hours eight minutes eastbound. The route sees steady year-round demand driven by business travel between Austin's tech sector and Atlanta's corporate headquarters base, which includes Delta, Coca-Cola, CNN, and UPS. Austin-Bergstrom operates from a single main terminal with two concourses; Hartsfield-Jackson is the world's busiest airport by passenger count and uses an underground train to connect its five concourses plus an international terminal.

Operational Notes

ATL afternoon thunderstorms, particularly May through September, generate some of the highest ground stop rates of any US hub, and AUS-ATL afternoon flights are among the most delay-exposed on the pair. Morning departures from Austin land before the convective window builds over north Georgia. Delta's Atlanta hub feeds connections to over 200 destinations, making this route a gateway to the widest domestic onward network from Austin. Southwest's AUS-ATL service books as a single ticket to Austin only; onward connections via Southwest at ATL are possible but not guaranteed same-bag transfer.'\2