Home / Routes / KIAH → KORD6,334 scheduled
IAH ORD2h 28m

The route from George Bush Intercontinental Houston Airport (KIAH) in Houston to Chicago O'Hare International Airport (KORD) in Chicago. SkyMeter tracks roughly 6,334 scheduled flights on this route across 22 carriers. The most active operator is UAL (UAL). Average block time is 2h 45m. Departures average 37 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
6,334
last 431 days
ADS-B observed
1,529
Airlines
22
Avg dep delay
37m
Late >15 min
54.4%
Cancel rate
1.64%

Airlines on this route

15 carriers · scheduled

United Airlines
UAL · UA · 4,156 flights · avg 33m delay · 56.7% late
41 cancelled
American Airlines
AAL · AA · 1,510 flights · avg 42m delay · 48.1% late
38 cancelled
Spirit Airlines
NKS · NK · 400 flights · avg 37m delay · 49.2% late
18 cancelled
Frontier Airlines
FFT · F9 · 230 flights · avg 71m delay · 66.5% late
7 cancelled
Concesionaria Vuela Compania De Aviacion S.a. De C.v
VOI · Y4 · 12 flights · avg 28m delay · 8.3% late
Sky West Aviation
SKW · OO · 6 flights · avg 85m delay · 50.0% late
Envoy Air
ENY · MQ · 4 flights · avg 24m delay · 25.0% late
Silk Way West Airlines
AZG · 7L · 4 flights · avg 48m delay · 50.0% late
National Air Cargo Group
NCR · N8 · 3 flights · avg 10m delay · 0.0% late
Delta Air Lines
DAL · DL · 3 flights · avg 106m delay · 66.7% late
Commutair
UCA · C5 · 2 flights · avg 2m delay · 0.0% late
· UAL · 1 flights · avg 0m delay · 0.0% late
Txg
TXG · R7 · 1 flights · avg 94m delay · 100.0% late
Aerovias De Mexico S.a. De C.v
AMX · AM · 1 flights · avg 114m delay · 100.0% late
Netjets Aviation
EJA · 1I · 1 flights · avg 120m delay · 100.0% late

Recent observed flights

From ADS-B trace data

UAL699N37415B39M
2026-07-05 19:44  →  2026-07-05 22:15  ·  2h 31m
Replay
UAL2458N27439B39M
2026-07-05 19:14  →  2026-07-05 21:25  ·  2h 11m
Replay
AAL1915N931ANB738
2026-07-05 18:48  →  2026-07-05 21:03  ·  2h 14m
Replay
AAL1909N773XFA319
2026-07-05 17:38  →  2026-07-05 19:45  ·  2h 7m
Replay
UAL2827N14523A21N
2026-07-05 17:12  →  2026-07-05 19:22  ·  2h 9m
Replay
UAL2124N37445B39M
2026-07-05 14:54  →  2026-07-05 16:56  ·  2h 1m
Replay
UAL2182N17422B39M
2026-07-05 12:38  →  2026-07-05 14:42  ·  2h 4m
Replay
AAL3106N936ANB738
2026-07-05 11:24  →  2026-07-05 13:27  ·  2h 2m
Replay
UAL1044N47446B39M
2026-07-05 10:23  →  2026-07-05 12:43  ·  2h 20m
Replay
UAL2197N14523A21N
2026-07-05 04:44  →  2026-07-05 06:44  ·  1h 59m
Replay

Codeshare partnerships

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

sells UAL 3776
sells AAL 1269
sells AAL 1094
sells AAL 1028
sells UAL 982
sells UAL 812
sells UAL 716
sells UAL 709
sells AAL 671
sells AAL 637
sells AAL 565
sells AAL 374
sells AAL 371
sells UAL 359
sells AAL 345
sells UAL 242
sells FFT 202
sells AAL 61
sells UAL 1
sells DAL 1

Typical aircraft

Observed via ADS-B on this route

AIRBUS Airbus A321 Neo
A21N
40%
of flights
BOEING Boeing 737 MAX 9
B39M
16%
of flights
BOEING Boeing 737-900
B739
12%
of flights
EMBRAER Embraer 175 long wing
E75L
11%
of flights
BOEING Boeing 737-800
B738
9%
of flights
AIRBUS Airbus A319
A319
5%
of flights
BOEING Boeing 737 MAX 8
B38M
1%
of flights
AIRBUS Airbus A321
A321
1%
of flights

Looking for the return flight?

View KORD → KIAH