Houston to Tucson (IAH–TUS) — Airlines, Schedules & Connections

IAH Airport Page →
934 mi airlines 23/wk
On-time Some delays Frequent delays
Flight Schedule 8 flights Verified 15h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
UA2183
UA United
319
10:05 AM
CDT TC
10:57 AM
MST
2h 52m
M T W T F S S
Prices
UA4031
UA United
E75L
10:36 AM
CDT TE
11:38 AM
MST
3h 2m
M T W T F S S
Prices
UA2660
UA United
739
8:19 PM
CDT TC
9:14 PM
MST
2h 55m
M T W T F S S
Prices
UA284
UA United
739
8:30 PM
CDT TC
9:22 PM
MST
2h 52m
M T W T F S S
Prices
UA2223
UA United
739
6:30 AM
MST
10:54 AM
CDT
2h 24m
M T W T F S S
Prices
UA2390
UA United
739
6:30 AM
MST
10:55 AM
CDT
2h 25m
M T W T F S S
Prices
UA1015
UA United
319
12:00 PM
MST
4:25 PM
CDT
2h 25m
M T W T F S S
Prices
UA4025
UA United
E75L
12:19 PM
MST
4:54 PM
CDT
2h 35m
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...
Houston to Tucson
1 carrier, 23 flights/week nonstop.
1 Airlines 23 Flights/wk 934 mi 2h 52m nonstop -2h behind 41 1-stop hubs

IAH–TUS is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 934 miles in approximately 2h 52m. Beyond nonstop, 41 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop IAH–TUS service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 23 319, 739, E75L 2h52-3h02 100% Star Alliance
Aircraft on this route
319 Airbus A319 – UA
739 Boeing 737-900 – UA
E75L Embraer E175 Long Wing – UA
Alliance coverage
Star Alliance: UA (23 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, IAH to TUS direction.
Mon
3
flights
Tue
3
flights
Wed
4
flights
Thu
3
flights
Fri
3
flights
Sat
4
flights
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
4
Nonstop flights
23
Outbound / wk
23
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAH to TUS.
1-STOP
One-Stop Connections
41
Hubs
~3h
Fastest
~33h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,517
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
IAH → TUS
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
Return
TUS → IAH
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAH delays → TUS delays →

Other ways to reach Tucson from Houston

Nearby airports with service to Tucson International Airport.
Metric IAH→TUS HOU→TUS AUS→TUS
Distance from IAH 24 mi 140 mi
Nonstop airlines 1 3 2
Weekly flights 23 3 1
Flight time 2h 52m 2h 3m 0h 57m
Departure OTP 100%
Airports within 200 miles of IAH with service to Tucson International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Tucson is 2 hours behind Houston.
IAH: CDT · TUS: MST

When it's 6:00 PM in Houston, it's 4:00 PM in Tucson.
Distance & Flight Time
934 mi / 1,503 km
Nonstop flight time is approximately 2h 52m to 3h 2m.
Getting to IAH

IAH has no direct rail link to downtown Houston. The IAH Express bus runs from Houston Amtrak/Greyhound station via Park & Ride to Terminal C (60–90 min, $1.25 with METRO Q card). This is the only transit option; Houston's rail network does not reach the airport.Taxis from downtown Houston cost $50–70 and take 40–60 minutes. Ride-hails (Uber, Lyft) are typically $35–55. IAH sits 23 miles north of downtown on the North Freeway (I-45); traffic is heavy during morning and evening rush. Remote economy parking lots serve all terminals via shuttle.

IAH–TUS Quick Facts

Key statistics for the Houston to Tucson route.
Route details
Distance934 mi / 1,503 km
Flight time2h 52m to 3h 2m
Time difference-2 hours
Airlines (nonstop)1
Weekly flights23 out / 23 return
1-stop connections41 hubs
Origin: IAH
IATA / ICAOIAH / KIAH
TimezoneAmerica/Indiana/Tell_City
Passengers/yr46.7M
Elevation97 ft / 30 m
Destination: TUS
IATA / ICAOTUS / KTUS
TimezoneAmerica/Phoenix
Passengers/yr3.9M
Elevation2,643 ft / 806 m

Frequently Asked Questions

Common questions about IAH to TUS flights.
Nonstop flights from George Bush Intercontinental Airport to Tucson International Airport take approximately 2h 52m to 3h 2m. The route covers 934 miles.
1 airline operates nonstop service: United Airlines.
There are approximately 23 nonstop flights per week from IAH to TUS. The return direction has about 23 weekly flights.
Yes, 1-stop connections are available through AUS, SAT, SCF, DRO, LRD, APA, BJC, SUS, DAL, MTJ, XNA, SBA, OMA, APF, BZN, SRQ, CLT, SDF, GRR, BFI, SNA, YEG, MIA, YYZ, DEN, PHX, SLC, DFW, SFO, ORD, LAS, LAX, SAN, PDX, OKC, ATL, SEA, MSP, YYC, MDW and HND. These options provide additional schedule flexibility.
Tucson is 2 hours behind Houston.
Yes, return flights from TUS to IAH are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include HOU, AUS and ACT. 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 IAH to TUS

George Bush Intercontinental Airport (IAH) and Tucson International Airport (TUS) are connected by nonstop service from United Airlines. With 23 weekly departures, this is a well served route.

IAH to TUS Flight Duration and Schedule

Nonstop flight time from IAH to TUS ranges from 2 hours 52 minutes to 3 hours 2 minutes. The route covers a distance of 934 miles (1,503 km). There are approximately 23 weekly flights outbound and 23 return, totaling 46 flights per week in both directions.

Connecting Options and Alternatives

41 one-stop connections are available, with the fastest taking approximately 3 hours via AUS. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Houston (HOU), Austin (AUS) and Waco (ACT).