Home / Routes / KSFO → KIAH4,323 scheduled
SFO IAH3h 47m

The route from San Francisco International Airport (KSFO) in San Francisco to George Bush Intercontinental Houston Airport (KIAH) in Houston. SkyMeter tracks roughly 4,323 scheduled flights on this route across 10 carriers. The most active operator is UAL (UAL). Average block time is 3h 35m. Departures average 25 minutes off schedule, with 56% 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
660
Airlines
10
Avg dep delay
25m
Late >15 min
56.3%
Cancel rate
0.39%

Airlines on this route

9 carriers · scheduled

United Airlines
UAL · UA · 4,309 flights · avg 25m delay · 56.5% late
17 cancelled
· RZN · 3 flights · avg 0m delay · 0.0% late
Netjets Aviation
EJA · 1I · 2 flights · avg 6m delay · 0.0% late
Ventura Air Services
VNT · 2 flights · avg 10m delay · 0.0% late
Sunset Aviation
TWY · 2 flights · avg 10m delay · 0.0% late
Sky West Aviation
SKW · OO · 2 flights · avg 133m delay · 100.0% late
Flexjet
LXJ · LXJ · 1 flights · avg 37m delay · 100.0% late
Arr
ARR · QN · 1 flights · avg 10m delay · 0.0% late
Gridiron Air
RZN · GI · 1 flights · avg 10m delay · 0.0% late

Recent observed flights

From ADS-B trace data

UAL1387N27568B39M
2026-09-06 19:22  →  2026-09-06 23:30  ·  4h 8m
Replay
UAL1259N37528B39M
2026-09-06 17:42  →  2026-09-06 21:30  ·  3h 48m
Replay
UAL686N17402B39M
2026-09-06 14:12  →  2026-09-06 17:45  ·  3h 33m
Replay
UAL2305N47414B739
2026-09-06 00:00  →  2026-09-06 03:32  ·  3h 32m
Replay
UAL1259N37510B39M
2026-09-05 17:40  →  2026-09-05 21:39  ·  3h 58m
Replay
UAL2498N17402B39M
2026-09-05 15:42  →  2026-09-05 19:48  ·  4h 6m
Replay
UAL686N17557B39M
2026-09-05 14:02  →  2026-09-05 17:37  ·  3h 35m
Replay
UAL505N37510B39M
2026-09-05 06:56  →  2026-09-05 10:40  ·  3h 43m
Replay
UAL2019N17565B39M
2026-09-05 01:32  →  2026-09-05 05:14  ·  3h 41m
Replay
UAL2498N17414B39M
2026-09-04 15:41  →  2026-09-04 19:38  ·  3h 57m
Replay

Codeshare partnerships

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

sells UAL 3536
sells UAL 3024
sells UAL 805
sells UAL 713
sells UAL 356
sells UAL 103
sells UAL 1
sells UAL 1

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737 MAX 9
B39M
56%
of flights
BOEING Boeing 737-900
B739
32%
of flights
BOEING Boeing 777-200
B772
8%
of flights
BOEING Boeing 737 MAX 8
B38M
0%
of flights
BOEING Boeing 737-800
B738
0%
of flights
BOEING Boeing 787-9 Dreamliner
B789
0%
of flights
BOEING Boeing 777-300ER
B77W
0%
of flights
GULFSTREAM AEROSPACE Gulfstream G650
GLF6
0%
of flights

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View KIAH → KSFO