Home / Routes / KIAH → KSFO4,323 scheduled
IAH SFO3h 33m

The route from George Bush Intercontinental Houston Airport (KIAH) in Houston to San Francisco International Airport (KSFO) in San Francisco. SkyMeter tracks roughly 4,323 scheduled flights on this route across 11 carriers. The most active operator is UAL (UAL). Average block time is 3h 55m. Departures average 37 minutes off schedule, with 65% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 9.

Scheduled
4,323
last 494 days
ADS-B observed
795
Airlines
11
Avg dep delay
37m
Late >15 min
64.9%
Cancel rate
0.60%

Airlines on this route

7 carriers · scheduled

United Airlines
UAL · UA · 4,313 flights · avg 37m delay · 64.9% late
26 cancelled
Netjets Aviation
EJA · 1I · 4 flights · avg 89m delay · 25.0% late
Sky West Aviation
SKW · OO · 2 flights · avg 46m delay · 100.0% late
Vja
VJA · 1 flights · avg 54m delay · 100.0% late
Baker Aviation
KOW · 1 flights · avg 34m delay · 100.0% late
Arr
ARR · QN · 1 flights · avg 107m delay · 100.0% late
Tcn
TCN · 1 flights · avg 34m delay · 100.0% late

Recent observed flights

From ADS-B trace data

UAL589N37537B39M
2026-09-06 20:10  →  2026-09-06 23:35  ·  3h 24m
Replay
UAL1768N17405B39M
2026-09-06 12:34  →  2026-09-06 16:10  ·  3h 35m
Replay
UAL1609N37507B39M
2026-09-06 02:36  →  2026-09-06 06:11  ·  3h 34m
Replay
UAL589N57466B39M
2026-09-05 20:04  →  2026-09-05 23:38  ·  3h 33m
Replay
UAL2611N69819B739
2026-09-05 17:51  →  2026-09-05 21:34  ·  3h 42m
Replay
UAL2358N773UAB772
2026-09-05 15:29  →  2026-09-05 18:52  ·  3h 22m
Replay
UAL2744N47470B39M
2026-09-05 13:38  →  2026-09-05 17:10  ·  3h 32m
Replay
UAL1768N37510B39M
2026-09-05 12:41  →  2026-09-05 16:12  ·  3h 31m
Replay
UAL1476N17557B39M
2026-09-05 03:39  →  2026-09-05 07:18  ·  3h 38m
Replay
UAL1691N37510B39M
2026-09-05 00:56  →  2026-09-05 04:38  ·  3h 41m
Replay

Codeshare partnerships

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

sells UAL 3533
sells UAL 3303
sells UAL 805
sells UAL 359
sells UAL 340
sells UAL 203
sells UAL 1
sells UAL 1

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737 MAX 9
B39M
54%
of flights
BOEING Boeing 737-900
B739
32%
of flights
BOEING Boeing 777-200
B772
10%
of flights
BOEING Boeing 737 MAX 8
B38M
0%
of flights
BOEING Boeing 787-9 Dreamliner
B789
0%
of flights
BOEING Boeing 737-800
B738
0%
of flights
BOEING Boeing 767-300
B763
0%
of flights
AIRBUS Airbus A320
A320
0%
of flights

Looking for the return flight?

View KSFO → KIAH