Home / Routes / KIAH → KORD7,175 scheduled
IAH ORD2h 30m

The route from George Bush Intercontinental Houston Airport (KIAH) in Houston to Chicago O'Hare International Airport (KORD) in Chicago. SkyMeter tracks roughly 7,175 scheduled flights on this route across 21 carriers. The most active operator is UAL (UAL). Average block time is 2h 34m. Departures average 37 minutes off schedule, with 51% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321 Neo.

Scheduled
7,175
last 480 days
ADS-B observed
1,427
Airlines
21
Avg dep delay
37m
Late >15 min
50.9%
Cancel rate
1.64%

Airlines on this route

15 carriers · scheduled

United Airlines
UAL · UA · 4,710 flights · avg 33m delay · 53.0% late
46 cancelled
American Airlines
AAL · AA · 1,752 flights · avg 43m delay · 45.1% late
44 cancelled
Spirit Airlines
NKS · NK · 400 flights · avg 37m delay · 49.2% late
18 cancelled
Frontier Airlines
FFT · F9 · 275 flights · avg 68m delay · 57.6% late
10 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
Netjets Aviation
EJA · 1I · 1 flights · avg 120m delay · 100.0% late
Aerovias De Mexico S.a. De C.v
AMX · AM · 1 flights · avg 114m delay · 100.0% late
Txg
TXG · R7 · 1 flights · avg 94m delay · 100.0% late
· UAL · 1 flights · avg 0m delay · 0.0% late

Recent observed flights

From ADS-B trace data

UAL1813N24526A21N
2026-08-26 20:52  →  2026-08-26 23:30  ·  2h 38m
Replay
UAL699N34535A21N
2026-08-26 18:55  →  2026-08-26 21:18  ·  2h 22m
Replay
AAL2504N749USA319
2026-08-26 16:38  →  2026-08-26 18:53  ·  2h 14m
Replay
UAL2124N37528B39M
2026-08-26 14:47  →  2026-08-26 16:56  ·  2h 9m
Replay
UAL2182N27515B39M
2026-08-26 12:33  →  2026-08-26 14:43  ·  2h 9m
Replay
UAL2616N24526A21N
2026-08-26 11:27  →  2026-08-26 14:02  ·  2h 34m
Replay
AAL3106N990ANB738
2026-08-26 11:10  →  2026-08-26 13:45  ·  2h 35m
Replay
UAL787N37528B39M
2026-08-26 03:26  →  2026-08-26 05:33  ·  2h 7m
Replay
UAL1752N37413B739
2026-08-26 01:46  →  2026-08-26 03:58  ·  2h 11m
Replay
UAL2197N54561ST75
2026-08-25 23:53  →  2026-08-26 02:12  ·  2h 19m
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
29%
of flights
BOEING Boeing 737 MAX 9
B39M
23%
of flights
BOEING Boeing 737-900
B739
17%
of flights
BOEING Boeing 737-800
B738
12%
of flights
AIRBUS Airbus A319
A319
10%
of flights
EMBRAER Embraer 175 long wing
E75L
3%
of flights
BOEING Boeing 737 MAX 8
B38M
1%
of flights
AIRBUS Airbus A320 Neo
A20N
0%
of flights

Looking for the return flight?

View KORD → KIAH