Home / Routes / KIAH → KDEN6,813 scheduled
IAH DEN2h 19m

The route from George Bush Intercontinental Houston Airport (KIAH) in Houston to Denver International Airport (KDEN) in Denver. SkyMeter tracks roughly 6,813 scheduled flights on this route across 18 carriers. The most active operator is UAL (UAL). Average block time is 2h 12m. Departures average 33 minutes off schedule, with 48% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321 Neo.

Scheduled
6,813
last 529 days
ADS-B observed
1,142
Airlines
18
Avg dep delay
33m
Late >15 min
48.5%
Cancel rate
0.34%

Airlines on this route

13 carriers · scheduled

United Airlines
UAL · UA · 5,387 flights · avg 34m delay · 51.1% late
18 cancelled
Frontier Airlines
FFT · F9 · 1,109 flights · avg 29m delay · 39.6% late
4 cancelled
Air Transport International
ATN · 8C · 243 flights · avg 23m delay · 42.8% 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
· VJA · 4 flights · avg 0m delay · 0.0% 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

UAL2787N24519A21N
2026-10-12 15:47  →  2026-10-12 17:55  ·  2h 8m
Replay
ATN3340N353AZB763
2026-10-12 15:30  →  2026-10-12 17:39  ·  2h 8m
Replay
UAL1575N77587B39M
2026-10-12 12:34  →  2026-10-12 14:52  ·  2h 17m
Replay
UAL3770N781UAB772
2026-10-12 01:36  →  2026-10-12 03:41  ·  2h 4m
Replay
ATN3340N479AZB763
2026-10-11 14:59  →  2026-10-11 17:02  ·  2h 3m
Replay
UAL1575N17401B39M
2026-10-11 12:51  →  2026-10-11 14:59  ·  2h 8m
Replay
UAL685N14521A21N
2026-10-11 01:51  →  2026-10-11 03:57  ·  2h 6m
Replay
UAL1654N57864B753
2026-10-10 23:54  →  2026-10-11 02:05  ·  2h 11m
Replay
UAL470N37556B39M
2026-10-10 21:50  →  2026-10-10 23:56  ·  2h 6m
Replay
UAL2767N37508B39M
2026-10-10 20:25  →  2026-10-10 22:26  ·  2h 1m
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 767-300
B763
7%
of flights
AIRBUS Airbus A320 Neo
A20N
7%
of flights
BOEING Boeing 737 MAX 9
B39M
5%
of flights
BOEING Boeing 737-900
B739
4%
of flights
AIRBUS Airbus A321
A321
2%
of flights
ST75
ST75
1%
of flights

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