Austin to Ontario (AUS–ONT) — Airlines, Schedules & Connections

AUS Airport Page →
1,195 mi airlines 12/wk
On-time Some delays Frequent delays
Flight Schedule 5 flights Verified 8m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
WN419
WN Southwest
7M8
11:10 AM
MDT
12:15 PM
PDT
3h 5m
M T W T F S S
Prices
WN2167
WN Southwest
7M8
2:00 PM
MDT
3:20 PM
PDT
3h 20m
M T W T F S S
Prices
WN159
WN Southwest
B38M
10:04 AM
PDT T4
2:59 PM
MDT
3h 55m
M T W T F S S
Prices
DL665
DL Delta
1:20 PM
PDT
7:01 PM
MDT
4h 41m
M T W T F S S
Prices
WN3526
WN Southwest
7M8
1:40 PM
PDT T4
6:20 PM
MDT
2h 40m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Austin to Ontario
1 carrier, 12 flights/week nonstop.
1 Airlines 12 Flights/wk 1,195 mi 3h 5m nonstop -1h behind 37 1-stop hubs

AUS–ONT is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 1,195 miles in approximately 3h 5m. Beyond nonstop, 37 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop AUS–ONT service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 12 7M8 3h05-3h20 59%
Aircraft on this route
7M8 Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: WN (12 flights/wk, 100%)
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 ONT direction.
Mon
2
flights
Tue
2
flights
Wed
2
flights
Thu
2
flights
Fri
2
flights
Sat
1
flight
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
2
Nonstop flights
12
Outbound / wk
14
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for AUS to ONT.
1-STOP
One-Stop Connections
37
Hubs
~3h
Fastest
~21h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,422
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 → ONT
59%
Frequent delays expected. Consider flexible booking.
Departing
59%
Arriving
79%
Return
ONT → AUS
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
82%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. AUS delays → ONT delays →

Other ways to reach Ontario from Austin

Nearby airports with service to Ontario International Airport.
Metric AUS→ONT IAH→ONT HOU→ONT
Distance from AUS 140 mi 148 mi
Nonstop airlines 1 4 1
Weekly flights 12 18 14
Flight time 3h 5m 3h 1m 3h 25m
Departure OTP 59%
Airports within 200 miles of AUS with service to Ontario International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-1h
Ontario is 1 hour behind Austin.
AUS: MDT · ONT: PDT

When it's 6:00 PM in Austin, it's 5:00 PM in Ontario.
Distance & Flight Time
1,195 mi / 1,923 km
Nonstop flight time is approximately 3h 5m to 3h 20m.
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.

AUS–ONT Quick Facts

Key statistics for the Austin to Ontario route.
Route details
Distance1,195 mi / 1,923 km
Flight time3h 5m to 3h 20m
Time difference-1 hour
Airlines (nonstop)1
Weekly flights12 out / 14 return
1-stop connections37 hubs
Origin: AUS
IATA / ICAOAUS / KAUS
TimezoneAmerica/Denver
Passengers/yr21.4M
Elevation542 ft / 165 m
Destination: ONT
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m

Frequently Asked Questions

Common questions about AUS to ONT flights.
Nonstop flights from Austin Bergstrom International Airport to Ontario International Airport take approximately 3h 5m to 3h 20m. The route covers 1,195 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 12 nonstop flights per week from AUS to ONT. The return direction has about 14 weekly flights.
Yes, 1-stop connections are available through VNY, SAF, BUR, PRC, SDF, MEM, STS, CVG, IND, LAL, FLL, PHL, MIA, YUL, EWR, ANC, SLC, SJD, IAH, ORD, BNA, DFW, PHX, DEN, CLT, PDX, HOU, ATL, LAS, SJC, SFO, SMF, MDW, DAL, BWI, SEA and OAK. These options provide additional schedule flexibility.
Ontario is 1 hour behind Austin.
Yes, return flights from ONT to AUS are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include IAH and HOU. 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.

Flights from AUS to ONT

Austin Bergstrom International Airport (AUS) and Ontario International Airport (ONT) are connected by nonstop service from Southwest Airlines. With 12 weekly departures, this is a regularly served route.

AUS to ONT Flight Duration and Schedule

Nonstop flight time from AUS to ONT ranges from 3 hours 5 minutes to 3 hours 20 minutes. The route covers a distance of 1,195 miles (1,923 km). There are approximately 12 weekly flights outbound and 14 return, totaling 26 flights per week in both directions.

Connecting Options and Alternatives

37 one-stop connections are available, with the fastest taking approximately 3 hours via VNY. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Houston (IAH) and Houston (HOU).