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

TUS Airport Page →
639 mi airlines charter/private 56/wk
On-time Some delays Frequent delays
Flight Schedule 20 flights Verified 37m 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
UA2418
UA United
320
5:45 AM
MST
8:38 AM
MDT
1h 53m
M T W T F S S
Prices
AC4149cs
AC Air Canada
319
5:45 AM
MST
8:38 AM
MDT
1h 53m
M T W T F S S
Prices
WN2837
WN Southwest
B38M
6:30 AM
MST
9:15 AM
MDT
1h 45m
M T W T F S S
Prices
WN4059
WN Southwest
73H
6:40 AM
MST
9:30 AM
MDT
1h 50m
M T W T F S S
Prices
UA1049+1
UA United
319
7:41 AM
MST
10:42 AM
MDT
2h 1m
M T W T F S S
Prices
WN519
WN Southwest
737
9:45 AM
MST
12:35 PM
MDT
1h 50m
M T W T F S S
Prices
WN262
WN Southwest
7M8
10:00 AM
MST
12:55 PM
MDT
1h 55m
M T W T F S S
Prices
UA2671+2
UA United
319
1:30 PM
MST
4:39 PM
MDT
2h 9m
M T W T F S S
Prices
UA1282
UA United
319
1:30 PM
MST
4:39 PM
MDT
2h 9m
M T W T F S S
Prices
WN1599
WN Southwest
7S7
2:50 PM
MST
5:45 PM
MDT
1h 55m
M T W T F S S
Prices
WN370
WN Southwest
7M8
7:50 AM
MDT
8:50 AM
MST
2h
26%
M T W T F S S
Prices
WN446
WN Southwest
B38M
8:15 AM
MDT
9:15 AM
MST
2h
26%
M T W T F S S
Prices
UA3915
UA United
10:45 AM
MDT
11:48 AM
MST
2h 3m
38%
M T W T F S S
Prices
UA1188
UA United
319
11:30 AM
MDT
12:32 PM
MST
2h 2m
38%
M T W T F S S
Prices
UA5191
UA United
12:18 PM
MDT
1:25 PM
MST
2h 7m
38%
M T W T F S S
Prices
WN2782
WN Southwest
7S7
4:21 PM
MDT
5:12 PM
MST
1h 51m
26%
M T W T F S S
Prices
AC4092cs
AC Air Canada
319
7:10 PM
MDT
8:12 PM
MST
2h 2m
34%
M T W T F S S
Prices
UA1762+3
UA United
319
7:10 PM
MDT
8:12 PM
MST
2h 2m
38%
M T W T F S S
Prices
WN1195
WN Southwest
B38M
7:50 PM
MDT
8:41 PM
MST
1h 51m
26%
M T W T F S S
Prices
WN4313
WN Southwest
7S7
9:00 PM
MDT
10:00 PM
MST
2h
26%
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 29m AAASPD AAACAS Phoenix (PHX) to Denver flights
LAS Las Vegas 4h 5m WN ACCMF9 Las Vegas (LAS) to Denver flights
SLC Salt Lake City 4h 25m DLKLVS ACAFAM Salt Lake City (SLC) to Denver flights
SAN San Diego 4h 40m WN ACASCM San Diego (SAN) to Denver flights
LAX Los Angeles 5h AAAMAS AAACAF Los Angeles (LAX) to Denver flights
DFW Dallas-Fort Worth 5h 18m AAAYBA AAACAV Dallas-Fort Worth (DFW) to Denver flights
SFO San Francisco 5h 58m ACLXJUA ACAVEK San Francisco (SFO) to Denver flights
IAH Houston 6h 2m LHUA ACAVEK Houston (IAH) to Denver flights
OKC Oklahoma City 6h 11m AA ACF9UA Oklahoma City (OKC) to Denver flights
PDX Portland 6h 47m AS ASCMF9 Portland (PDX) to Denver flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Tucson to Denver
4 carriers, 56 flights/week nonstop.
4 Airlines 639 mi 1h 54m nonstop +1h ahead

TUS–DEN is served by 4 airlines with nonstop service. United Airlines, Southwest Airlines and SkyWest Airlines lead the route. The flight covers 639 miles in approximately 1h 54m. 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
UA United Airlines Also: AC, CM 28 319, 320 1h53-2h09 88% Star Alliance AC, CM
WN Southwest Airlines 21 737, 73H, 7M8, 7S7, B38M 1h45-1h55 88%
OO SkyWest Airlines 1 88%
F9 Frontier 0 88%
Aircraft on this route
319 Airbus A319 – AC, UA
320 Airbus A320 – UA
737 Boeing 737-700 – WN
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
Star Alliance: UA (28 flights/wk, 56%)
Unaffiliated: F9 + OO + WN (22 flights/wk, 44%)
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
8
flights
Tue
8
flights
Wed
8
flights
Thu
8
flights
Fri
8
flights
Sat
8
flights
Sun
8
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
10
Nonstop flights
56
Outbound / wk
44
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for TUS to DEN.
1-STOP
One-Stop Connections
30
Hubs
~3h
Fastest
~15h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,547
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
88%
Generally reliable. Most flights run on time.
Departing
88%
Arriving
87%
Return
DEN → TUS
77%
Generally reliable. Most flights run on time.
Departing
77%
Arriving
60%
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 11
Weekly flights 56 1 235
Flight time 1h 54m 1h 28m 1h 16m
Departure OTP 88%
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 54m 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 54m
Time difference+1 hour
Airlines (nonstop)4
Weekly flights56 out / 44 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 54m gate to gate. The route covers 639 miles.
4 airlines operate flights from TUS to DEN: United Airlines, Southwest Airlines, SkyWest 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 Phoenix Sky Harbor, Harry Reid and Salt Lake City.
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 United Airlines, Southwest Airlines, SkyWest Airlines and Frontier. With 56 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 54 minutes gate to gate. The route covers a distance of 639 miles (1,029 km). There are approximately 56 weekly flights outbound and 44 return, totaling 100 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 Salt Lake City. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Mesa (AZA), Phoenix (PHX) and Prescott (PRC).