Home / Routes / KSFO → KSTL947 scheduled
SFO STL3h 56m

The route from San Francisco International Airport (KSFO) in San Francisco to St Louis Lambert International Airport (KSTL) in St Louis. SkyMeter tracks roughly 947 scheduled flights on this route across 8 carriers. The most active operator is UAL (UAL). Average block time is 3h 42m. Departures average 40 minutes off schedule, with 71% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 8.

Scheduled
947
last 493 days
ADS-B observed
125
Airlines
8
Avg dep delay
40m
Late >15 min
71.2%
Cancel rate
0.63%

Airlines on this route

9 carriers · scheduled

United Airlines
UAL · UA · 520 flights · avg 35m delay · 68.7% late
6 cancelled
Southwest Airlines Co
SWA · WN · 411 flights · avg 45m delay · 75.7% late
Flexjet
LXJ · LXJ · 5 flights · avg 151m delay · 60.0% late
Netjets Aviation
EJA · 1I · 3 flights · avg 20m delay · 33.3% late
· WUP · 3 flights · avg 0m delay · 0.0% late
Vja
VJA · 2 flights · avg 92m delay · 50.0% late
Jet Linx Aviation
JTL · JL · 1 flights · avg 30m delay · 100.0% late
Sunset Aviation
TWY · 1 flights · avg 10m delay · 0.0% late
Sky West Aviation
SKW · OO · 1 flights · avg 8m delay · 0.0% late

Recent observed flights

From ADS-B trace data

SWA3564N8719QB38M
2026-09-09 18:59  →  2026-09-09 23:22  ·  4h 22m
Replay
SWA3564N8822QB38M
2026-09-08 18:20  →  2026-09-08 22:35  ·  4h 14m
Replay
SWA4049N925WNB737
2026-09-06 17:43  →  2026-09-06 22:10  ·  4h 26m
Replay
SWA3564N8833LB38M
2026-09-05 16:15  →  2026-09-05 20:14  ·  3h 59m
Replay
UAL2818N825UAA319
2026-09-04 19:47  →  2026-09-04 23:43  ·  3h 55m
Replay
UAL2818N889UAA319
2026-09-03 19:06  →  2026-09-03 22:54  ·  3h 47m
Replay
SWA3564N8606CB738
2026-09-01 20:18  →  2026-09-01 23:58  ·  3h 39m
Replay
UAL2818N841UAA319
2026-08-31 21:26  →  2026-09-01 01:35  ·  4h 9m
Replay
SWA3564N482WNB737
2026-08-31 19:46  →  2026-08-31 23:43  ·  3h 57m
Replay
UAL2818N871UAA319
2026-08-30 19:07  →  2026-08-30 23:16  ·  4h 9m
Replay

Codeshare partnerships

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

sells UAL 456
sells UAL 98
sells UAL 56

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737 MAX 8
B38M
40%
of flights
BOEING Boeing 737-700
B737
24%
of flights
BOEING Boeing 737-800
B738
12%
of flights
AIRBUS Airbus A319
A319
10%
of flights
BOEING Boeing 737 MAX 9
B39M
8%
of flights
AIRBUS Airbus A321 Neo
A21N
0%
of flights
BOMBARDIER Bombardier BD-700 Global 5000
GL5T
0%
of flights
BOEING Boeing 737-900
B739
0%
of flights

Looking for the return flight?

View KSTL → KSFO