🇺🇸 DEN
Denver
863 mi
IAH 🇺🇸
Houston

Denver to Houston Flights

Denver International Airport George Bush Intercontinental Houston Airport 4 airlines

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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 46m. This route is served by 4 airlines: United, Frontier, SkyWest and others. AirportRoutes has tracked 21 unique flight numbers on this route.

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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

4

Operators

21

Tracked Flights

863

Miles

1h 46m

Flight Duration

Route Map

Great Circle
Flight route map from Denver to Houston
Map data © Mapbox © OpenStreetMap contributors

Operating Airlines

Airline ICAO IATA
United UAL UA
Frontier FFT F9
SkyWest SKW OO
Volaris VOI Y4

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 27 16%
Tuesday 22 13%
Wednesday 28 17%
Thursday 29 17%
Friday 21 13%
Saturday 14 8%
Sunday 25 15%

Pattern Analysis

21 Tracked Flights:
Data Points: 166
API observations used to build this analysis
Weekdays: 127 flights
Weekend: 39 flights
Business Route More active on weekdays

All Flight Routes

4 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
Frontier
FFT / F9
A20N 21:06 9:06 PM (Representative)
M T W T F S S
May 9, 2026 Active
SkyWest
SKW / OO
CRJ2 07:00 7:00 AM (Representative)
M T W T F S S
Mar 12, 2026 Active
United
UAL / UA
B739 05:00 5:00 AM (Representative)
M T W T F S S
Jun 30, 2026 Active
Volaris
VOI / Y4
A321 07:00 7:00 AM (Representative)
M T W T F S S
Dec 6, 2025 Active
Total Routes: 4
Active Routes: 4
Unique Airlines: 4
Aircraft Types: 4

Spotted Departure Times

Departure Time Operator ICAO IATA
05:00 5:00 AM United UAL UA
07:00 7:00 AM SkyWest SKW OO
07:00 7:00 AM Volaris VOI Y4
21:06 9:06 PM Frontier FFT F9

Time Information

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

Total Departure Times: 4
Time Range:
05:00 - 21:06
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.