Home / Routes / KIAH → KDEN5,020 scheduled
IAH DEN2h 23m

The route from George Bush Intercontinental Houston Airport (KIAH) in Houston to Denver International Airport (KDEN) in Denver. SkyMeter tracks roughly 5,020 scheduled flights on this route across 16 carriers. The most active operator is UAL (UAL). Average block time is 2h 37m. Departures average 34 minutes off schedule, with 59% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321 Neo.

Scheduled
5,020
last 431 days
ADS-B observed
1,255
Airlines
16
Avg dep delay
34m
Late >15 min
58.8%
Cancel rate
0.46%

Airlines on this route

12 carriers · scheduled

United Airlines
UAL · UA · 4,048 flights · avg 35m delay · 60.9% late
18 cancelled
Frontier Airlines
FFT · F9 · 794 flights · avg 30m delay · 49.9% late
4 cancelled
Air Transport International
ATN · 8C · 108 flights · avg 35m delay · 75.9% late
Concesionaria Vuela Compania De Aviacion S.a. De C.v
VOI · Y4 · 52 flights · avg 10m delay · 0.0% late
1 cancelled
Sky West Aviation
SKW · OO · 9 flights · avg 88m delay · 44.4% late
Atlas Air
GTI · 5Y · 3 flights · avg 57m delay · 100.0% late
Southwest Airlines Co
SWA · WN · 1 flights · avg 12m delay · 0.0% late
Baker Aviation
KOW · 1 flights · avg 42m delay · 100.0% late
Flexjet
LXJ · LXJ · 1 flights · avg 30m delay · 100.0% late
Netjets Aviation
EJA · 1I · 1 flights · avg 6m delay · 0.0% late
Delta Air Lines
DAL · DL · 1 flights · avg —m delay · 0.0% late
Gridiron Air
RZN · GI · 1 flights · avg 10m delay · 0.0% late

Recent observed flights

From ADS-B trace data

UAL2767N57855B753
2026-07-05 20:14  →  2026-07-05 22:29  ·  2h 15m
Replay
UAL2168N24516A21N
2026-07-05 17:44  →  2026-07-05 19:48  ·  2h 4m
Replay
UAL1409N34562A21N
2026-07-05 15:43  →  2026-07-05 17:38  ·  1h 54m
Replay
UAL1450N14528A21N
2026-07-05 14:38  →  2026-07-05 16:39  ·  2h 1m
Replay
UAL1575N57855B753
2026-07-05 12:42  →  2026-07-05 14:47  ·  2h 4m
Replay
FFT3229N353FRA20N
2026-07-05 11:40  →  2026-07-05 13:51  ·  2h 11m
Replay
UAL2643N34547A21N
2026-07-05 11:36  →  2026-07-05 14:03  ·  2h 27m
Replay
UAL1874N54538A21N
2026-07-05 10:19  →  2026-07-05 12:26  ·  2h 6m
Replay
UAL2339N14533A21N
2026-07-05 01:33  →  2026-07-05 03:43  ·  2h 9m
Replay
FFT3227N610FRA21N
2026-07-05 00:57  →  2026-07-05 03:01  ·  2h 3m
Replay

Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells UAL 3787
sells UAL 3783
sells FFT 722
sells UAL 357
sells UAL 357
sells UAL 1

Typical aircraft

Observed via ADS-B on this route

AIRBUS Airbus A321 Neo
A21N
53%
of flights
BOEING Boeing 757-300
B753
9%
of flights
BOEING Boeing 737-900
B739
9%
of flights
BOEING Boeing 767-300
B763
6%
of flights
BOEING Boeing 737 MAX 9
B39M
6%
of flights
AIRBUS Airbus A320 Neo
A20N
6%
of flights
AIRBUS Airbus A321
A321
2%
of flights
BOEING Boeing 777-200
B772
2%
of flights

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