Home / Routes / KIAH → KDEN5,748 scheduled
IAH DEN2h 31m

The route from George Bush Intercontinental Houston Airport (KIAH) in Houston to Denver International Airport (KDEN) in Denver. SkyMeter tracks roughly 5,748 scheduled flights on this route across 18 carriers. The most active operator is UAL (UAL). Average block time is 2h 25m. Departures average 34 minutes off schedule, with 54% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321 Neo.

Scheduled
5,748
last 480 days
ADS-B observed
1,283
Airlines
18
Avg dep delay
34m
Late >15 min
54.0%
Cancel rate
0.40%

Airlines on this route

12 carriers · scheduled

United Airlines
UAL · UA · 4,597 flights · avg 34m delay · 56.4% late
18 cancelled
Frontier Airlines
FFT · F9 · 919 flights · avg 31m delay · 45.5% late
4 cancelled
Air Transport International
ATN · 8C · 162 flights · avg 25m delay · 53.1% 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
Netjets Aviation
EJA · 1I · 1 flights · avg 6m delay · 0.0% late
Baker Aviation
KOW · 1 flights · avg 42m delay · 100.0% late
Southwest Airlines Co
SWA · WN · 1 flights · avg 12m delay · 0.0% late
Delta Air Lines
DAL · DL · 1 flights · avg —m delay · 0.0% late
Flexjet
LXJ · LXJ · 1 flights · avg 30m delay · 100.0% late
Gridiron Air
RZN · GI · 1 flights · avg 10m delay · 0.0% late

Recent observed flights

From ADS-B trace data

FFT3227N719FRA321
2026-08-26 16:48  →  2026-08-26 18:48  ·  2h 0m
Replay
UAL2787N24510A21N
2026-08-26 15:45  →  2026-08-26 17:42  ·  1h 57m
Replay
ATN3340N409AZB763
2026-08-26 15:04  →  2026-08-26 17:08  ·  2h 4m
Replay
UAL584N24519A21N
2026-08-26 14:46  →  2026-08-26 16:48  ·  2h 2m
Replay
UAL1906N14559A21N
2026-08-26 13:30  →  2026-08-26 15:37  ·  2h 7m
Replay
UAL685N47457B39M
2026-08-26 01:40  →  2026-08-26 03:59  ·  2h 19m
Replay
UAL470N14515A21N
2026-08-25 21:53  →  2026-08-26 00:25  ·  2h 32m
Replay
UAL2767N24526A21N
2026-08-25 20:11  →  2026-08-25 22:12  ·  2h 0m
Replay
UAL2168N37561B39M
2026-08-25 17:40  →  2026-08-25 19:36  ·  1h 56m
Replay
UAL1136N77592B39M
2026-08-25 17:30  →  2026-08-26 00:45  ·  7h 15m
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
58%
of flights
BOEING Boeing 757-300
B753
11%
of flights
BOEING Boeing 737-900
B739
7%
of flights
AIRBUS Airbus A320 Neo
A20N
7%
of flights
BOEING Boeing 767-300
B763
6%
of flights
BOEING Boeing 737 MAX 9
B39M
5%
of flights
AIRBUS Airbus A321
A321
1%
of flights
AIRBUS Airbus A320
A320
1%
of flights

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