Denver to Houston Flights DEN → IAH

Denver International Airport → George Bush Intercontinental Houston Airport

🇺🇸 Denver, US → 🇺🇸 Houston, US

The Denver to Houston route connects Denver International Airport (DEN) in US with George Bush Intercontinental Houston Airport (IAH) in US. This short-haul flight covers approximately 863 miles (1389 km) with a typical flight time of 1h 49m. This route is served by 6 airlines: United, Frontier, SkyWest and others. AirportRoutes has tracked 15 daily flights on this route.

Departure Airport

Denver International Airport

ICAO Code:
KDEN
IATA Code:
DEN
City:
🇺🇸 Denver
Country:
US
Elevation:
5431 ft

Destination Airport

George Bush Intercontinental Houston Airport

ICAO Code:
KIAH
IATA Code:
IAH
City:
🇺🇸 Houston
Country:
US
Elevation:
97 ft

6

Operators

15

Daily Flights

863

Miles

1h 49m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
United UAL UA
Frontier FFT F9
SkyWest SKW OO
Atlas Air GTI 5Y
Volaris VOI Y4
Air Transport International, Inc. ATN 8C

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 22 16%
Tuesday 20 15%
Wednesday 23 17%
Thursday 25 18%
Friday 15 11%
Saturday 12 9%
Sunday 20 15%

Pattern Analysis

15 Daily Flights:
UAL320 FFT3206 UAL422 UAL2419 UAL726 UAL1587 UAL1720 UAL2676 FFT2471 FFT2515 FFT2996 SKW6095 GTI8249 VOI2515 ATN3330
Data Points: 137
API observations used to build this analysis
Weekdays: 105 flights
Weekend: 32 flights
Business Route More active on weekdays

All Flight Routes

6 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
Atlas Air
GTI / 5Y
GTI8249 B744 02:35 2:35 AM (Representative)
M T W T F S S
Dec 26, 2025 Active
ATN3330 B763 09:10 9:10 AM (Representative)
M T W T F S S
Jan 22, 2026 Active
Frontier
FFT / F9
FFT3206 FFT2471 FFT2515 FFT2996 A21N 06:00 6:00 AM (Representative)
M T W T F S S
Jan 12, 2026 Active
SkyWest
SKW / OO
SKW6095 E170 06:00 6:00 AM (Representative)
M T W T F S S
Jan 26, 2026 Active
United
UAL / UA
UAL320 UAL422 UAL2419 UAL726 UAL1587 A21N 05:01 5:01 AM (Representative)
M T W T F S S
Feb 10, 2026 Active
Volaris
VOI / Y4
VOI2515 A321 07:00 7:00 AM (Representative)
M T W T F S S
Dec 6, 2025 Active
Total Routes: 6
Active Routes: 6
Unique Airlines: 6
Aircraft Types: 6

Spotted Departure Times

Departure Time Operator ICAO IATA
02:35 2:35 AM Atlas Air GTI 5Y
05:01 5:01 AM United UAL UA
06:00 6:00 AM Frontier FFT F9
06:00 6:00 AM SkyWest SKW OO
07:00 7:00 AM Volaris VOI Y4
09:10 9:10 AM Air Transport International, Inc. ATN 8C

Time Information

Times are shown in the departure airport's local timezone (UTC).

Total Departure Times: 6
Time Range:
02:35 - 09:10
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.