Tucson to Denver (TUS–DEN) — Airlines, Schedules & Connections

TUS Airport Page →
639 mi airlines charter/private 75/wk
On-time Some delays Frequent delays
Flight Schedule 35 flights Verified 3m ago
Also flown by charter / private operators.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
UA1540
UA United
738
5:30 AM
MST
8:27 AM
MDT
1h 57m
M T W T F S S
Prices
AC4149cs
AC Air Canada
320
5:45 AM
MST
8:38 AM
MDT
1h 53m
M T W T F S S
Prices
UA2418+1
UA United
320
5:45 AM
MST
8:38 AM
MDT
1h 53m
M T W T F S S
Prices
WN4059
WN Southwest
B38M
6:15 AM
MST
9:05 AM
MDT
1h 50m
M T W T F S S
Prices
WN2837
WN Southwest
73H
6:30 AM
MST
9:15 AM
MDT
1h 45m
M T W T F S S
Prices
WN3721
WN Southwest
7M8
7:00 AM
MST
9:50 AM
MDT
1h 50m
M T W T F S S
Prices
WN3969
WN Southwest
73H
7:00 AM
MST
9:50 AM
MDT
1h 50m
M T W T F S S
Prices
UA1656
UA United
319
9:15 AM
MST
12:13 PM
MDT
1h 58m
M T W T F S S
Prices
WN519
WN Southwest
737
9:35 AM
MST
12:25 PM
MDT
1h 50m
M T W T F S S
Prices
WN2495
WN Southwest
7S7
10:25 AM
MST
1:20 PM
MDT
1h 55m
M T W T F S S
Prices
WN2406
WN Southwest
7S7
11:10 AM
MST
2:00 PM
MDT
1h 50m
M T W T F S S
Prices
WN4415
WN Southwest
7M8
1:20 PM
MST
4:15 PM
MDT
1h 55m
M T W T F S S
Prices
LX3149cs
LX Swiss
319
1:30 PM
MST
4:39 PM
MDT
2h 9m
M T W T F S S
Prices
UA2671+3
UA United
319
1:30 PM
MST
4:39 PM
MDT
2h 9m
M T W T F S S
Prices
WN4991
WN Southwest
7M8
2:00 PM
MST
4:55 PM
MDT
1h 55m
M T W T F S S
Prices
WN2745
WN Southwest
7S7
2:10 PM
MST
5:05 PM
MDT
1h 55m
M T W T F S S
Prices
WN1599
WN Southwest
B38M
3:51 PM
MST
6:44 PM
MDT
1h 53m
M T W T F S S
Prices
WN446
WN Southwest
7M8
7:55 AM
MDT
9:00 AM
MST
2h 5m
43%
M T W T F S S
Prices
WN480
WN Southwest
73H
8:50 AM
MDT
9:45 AM
MST
1h 55m
43%
M T W T F S S
Prices
WN1708
WN Southwest
73H
9:00 AM
MDT
9:55 AM
MST
1h 55m
43%
M T W T F S S
Prices
WN4359
WN Southwest
73H
9:05 AM
MDT
10:00 AM
MST
1h 55m
43%
M T W T F S S
Prices
UA1188
UA United
319
11:30 AM
MDT
12:32 PM
MST
2h 2m
43%
M T W T F S S
Prices
WN1949
WN Southwest
7M8
2:10 PM
MDT
3:15 PM
MST
2h 5m
43%
M T W T F S S
Prices
UA2049
UA United
319
4:00 PM
MDT
5:03 PM
MST
2h 3m
43%
M T W T F S S
Prices
WN403
WN Southwest
7S7
4:05 PM
MDT
5:10 PM
MST
2h 5m
43%
M T W T F S S
Prices
WN2782
WN Southwest
7S7
4:34 PM
MDT
6:03 PM
MST
2h 29m
43%
M T W T F S S
Prices
WN4214
WN Southwest
7M8
5:25 PM
MDT
6:25 PM
MST
2h
43%
M T W T F S S
Prices
WN1195
WN Southwest
B38M
6:10 PM
MDT
7:20 PM
MST
2h 10m
43%
M T W T F S S
Prices
UA1762+4
UA United
320
7:08 PM
MDT
8:10 PM
MST
2h 2m
43%
M T W T F S S
Prices
LX3148cs
LX Swiss
320
7:10 PM
MDT
8:12 PM
MST
2h 2m
M T W T F S S
Prices
AC4092cs
AC Air Canada
320
7:10 PM
MDT
8:12 PM
MST
2h 2m
44%
M T W T F S S
Prices
WN144
WN Southwest
73H
7:35 PM
MDT
8:35 PM
MST
2h
43%
M T W T F S S
Prices
WN432
WN Southwest
73H
7:35 PM
MDT
8:35 PM
MST
2h
43%
M T W T F S S
Prices
WN4578
WN Southwest
7M8
8:55 PM
MDT
9:55 PM
MST
2h
43%
M T W T F S S
Prices
WN4313
WN Southwest
737
10:08 PM
MDT
11:07 PM
MST
1h 59m
43%
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
PHX Phoenix 3h 30m AAASPD AAACAS Phoenix (PHX) to Denver flights
LAS Las Vegas 4h 5m EJAWN ACCMEJA Las Vegas (LAS) to Denver flights
SAN San Diego 4h 30m WN ACASCM San Diego (SAN) to Denver flights
SLC Salt Lake City 4h 31m DLKLVS ACAFAM Salt Lake City (SLC) to Denver flights
LAX Los Angeles 5h AAAMAS AAACAF Los Angeles (LAX) to Denver flights
DFW Dallas-Fort Worth 5h 20m AAAYBA AAACAV Dallas-Fort Worth (DFW) to Denver flights
SFO San Francisco 5h 54m ACUA ACAVF9 San Francisco (SFO) to Denver flights
IAH Houston 5h 58m LHUA ACAVEK Houston (IAH) to Denver flights
PDX Portland 6h 44m AS ASCMF9 Portland (PDX) to Denver flights
SEA Seattle 7h 13m ASDLKE 8CAFAS Seattle (SEA) to Denver flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Tucson to Denver
4 carriers, 75 flights/week nonstop.
4 Airlines 639 mi 1h 53m nonstop +1h ahead

TUS–DEN is served by 4 airlines with nonstop service. Southwest Airlines, United Airlines and Frontier lead the route. The flight covers 639 miles in approximately 1h 53m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop TUS–DEN service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 37 737, 73H, 7M8, 7S7, B38M 1h45-1h55 100%
UA United Airlines Also: AC, CM, LX 28 319, 320, 738 1h53-2h09 100% Star Alliance AC, CM, LX
F9 Frontier 0 100%
OO SkyWest Airlines 0 100%
Aircraft on this route
319 Airbus A319 – LX, UA
320 Airbus A320 – AC, UA
737 Boeing 737-700 – WN
738 Boeing 737-800 – UA
73H Boeing 737-800 (Winglets) – WN
7M8 Boeing 737 MAX 8 – WN
7S7 Boeing 737 MAX 7 – WN
B38M Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: F9 + OO + WN (37 flights/wk, 57%)
Star Alliance: UA (28 flights/wk, 43%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, TUS to DEN direction.
Mon
12
flights
Tue
9
flights
Wed
11
flights
Thu
10
flights
Fri
12
flights
Sat
9
flights
Sun
12
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
17
Nonstop flights
75
Outbound / wk
68
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for TUS to DEN.
1-STOP
One-Stop Connections
12
Hubs
~3h
Fastest
~7h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,353
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
TUS → DEN
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
95%
Return
DEN → TUS
94%
Generally reliable. Most flights run on time.
Departing
94%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. TUS delays → DEN delays →

Other ways to reach Denver from Tucson

Nearby airports with service to Denver International Airport.
Metric TUS→DEN AZA→DEN PHX→DEN
Distance from TUS 92 mi 110 mi
Nonstop airlines 4 3 15
Weekly flights 75 1 343
Flight time 1h 53m 1h 18m 1h 18m
Departure OTP 100%
Airports within 200 miles of TUS with service to Denver International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Denver is 1 hour ahead of Tucson.
TUS: MST · DEN: MDT

When it's 6:00 PM in Tucson, it's 7:00 PM in Denver.
Distance & Flight Time
639 mi / 1,029 km
Nonstop flight time is approximately 1h 53m gate to gate.
Getting from DEN

RTD A Line runs to Denver Union Station (37 min, $10.50) with connections to light rail and bus routes. Taxis have meters; expect $55–65 to downtown.DEN's tent-roof Jeppesen Terminal is a single building; all three concourses connect via the underground automated train. Rental cars are on level 5. For ski resorts, shuttle services depart from Ground Transportation.

Denver Climate

Semi-arid with 300+ days of sunshine. Summers are dry and warm (27–34°C) with afternoon thunderstorms that produce dramatic but brief delays. Winters bring cold temperatures (−8 to 5°C) and heavy blizzards that can shut down ground operations.

Spring snowstorms can be heavier than midwinter ones. Altitude (5,430 ft) means low humidity year-round; stay hydrated.

TUS–DEN Quick Facts

Key statistics for the Tucson to Denver route.
Route details
Distance639 mi / 1,029 km
Flight time1h 53m
Time difference+1 hour
Airlines (nonstop)4
Weekly flights75 out / 68 return
1-stop connectionsAvailable
Origin: TUS
IATA / ICAOTUS / KTUS
TimezoneAmerica/Phoenix
Passengers/yr3.9M
Elevation2,643 ft / 806 m
Destination: DEN
IATA / ICAODEN / KDEN
TimezoneAmerica/Denver
Passengers/yr82.4M
Elevation5,431 ft / 1,655 m

Frequently Asked Questions

Common questions about TUS to DEN flights.
Nonstop flights from Tucson International Airport to Denver International Airport take about 1h 53m gate to gate. The route covers 639 miles.
4 airlines operate flights from TUS to DEN: Southwest Airlines, United Airlines, Frontier and SkyWest Airlines.
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 Phoenix Sky Harbor, Harry Reid and San Diego.
Denver is 1 hour ahead of Tucson.
Yes, return flights from DEN to TUS are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include AZA, PHX and PRC. 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 TUS to DEN

Tucson International Airport (TUS) and Denver International Airport (DEN) are connected by nonstop service from Southwest Airlines, United Airlines, Frontier and SkyWest Airlines. With 75 weekly departures, this is a heavily served route.

TUS to DEN Flight Duration and Schedule

Nonstop flight time from TUS to DEN is about 1 hours 53 minutes gate to gate. The route covers a distance of 639 miles (1,029 km). There are approximately 75 weekly flights outbound and 68 return, totaling 143 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Phoenix Sky Harbor, Harry Reid and San Diego. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Mesa (AZA), Phoenix (PHX) and Prescott (PRC).