Home / Routes / KSEA → KSFO9,479 scheduled
SEA SFO2h 10m

The route from Seattle Tacoma International Airport (KSEA) in Seattle to San Francisco International Airport (KSFO) in San Francisco. SkyMeter tracks roughly 9,479 scheduled flights on this route across 26 carriers. The most active operator is ASA (ASA). Average block time is 1h 54m. Departures average 38 minutes off schedule, with 60% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 9.

Scheduled
9,479
last 529 days
ADS-B observed
1,514
Airlines
26
Avg dep delay
38m
Late >15 min
60.5%
Cancel rate
0.95%

Airlines on this route

16 carriers · scheduled

Alaska Airlines
ASA · AS · 3,930 flights · avg 41m delay · 67.9% late
44 cancelled
United Airlines
UAL · UA · 3,121 flights · avg 36m delay · 50.2% late
19 cancelled
Delta Air Lines
DAL · DL · 2,387 flights · avg 37m delay · 62.3% late
27 cancelled
Netjets Aviation
EJA · 1I · 13 flights · avg 29m delay · 30.8% late
Flexjet
LXJ · LXJ · 6 flights · avg 24m delay · 50.0% late
Air Transport International
ATN · 8C · 4 flights · avg 10m delay · 0.0% late
Southwest Airlines Co
SWA · WN · 4 flights · avg 20m delay · 75.0% late
Vja
VJA · 3 flights · avg 43m delay · 66.7% late
Sky West Aviation
SKW · OO · 3 flights · avg 89m delay · 66.7% late
Presidential Aviation
PRD · 2 flights · avg —m delay · 0.0% late
Jet Linx Aviation
JTL · JL · 1 flights · avg 0m delay · 0.0% late
Pacific Coast Jet
PXT · 1 flights · avg —m delay · 0.0% late
Aircraft Management Group
RVJ · 1 flights · avg 11m delay · 0.0% late
Wup
WUP · 1 flights · avg 56m delay · 100.0% late
Japan Airlines Co. Ltd
JAL · JL · 1 flights · avg —m delay · 0.0% late

Recent observed flights

From ADS-B trace data

ASA1414N963AKB39M
2026-10-11 16:58  →  2026-10-11 19:01  ·  2h 2m
Replay
SKW3707N241SYE75L
2026-10-10 22:08  →  2026-10-10 23:58  ·  1h 50m
Replay
ASA688N526ASB738
2026-10-10 21:22  →  2026-10-10 23:26  ·  2h 4m
Replay
UAL2281N17411B39M
2026-10-10 20:16  →  2026-10-10 22:27  ·  2h 11m
Replay
ASA655N931AKB39M
2026-10-10 19:29  →  2026-10-10 21:50  ·  2h 20m
Replay
SKW5660N607UXE75L
2026-10-10 18:24  →  2026-10-10 20:43  ·  2h 19m
Replay
DAL1412N308DUBCS3
2026-10-10 18:14  →  2026-10-10 20:33  ·  2h 19m
Replay
ASA528N961AKB39M
2026-10-10 18:00  →  2026-10-10 20:20  ·  2h 19m
Replay
UAL2831N485UAA320
2026-10-10 17:27  →  2026-10-10 19:24  ·  1h 57m
Replay
DAL1134N313DUBCS3
2026-10-10 14:28  →  2026-10-10 16:55  ·  2h 27m
Replay

Codeshare partnerships

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

sells ASA 2749
sells ASA 2431
sells ASA 2224
sells UAL 2216
sells UAL 2208
sells ASA 1610
sells DAL 1508
sells ASA 1077
sells UAL 1056
sells ASA 934
sells ASA 858
sells DAL 819
sells UAL 718
sells ASA 717
sells ASA 667
sells UAL 664
sells DAL 660
sells DAL 620
sells UAL 574
sells ASA 518

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737 MAX 9
B39M
23%
of flights
BOEING Boeing 737-900
B739
21%
of flights
EMBRAER Embraer 175 long wing
E75L
12%
of flights
AIRBUS Airbus A320
A320
12%
of flights
BOEING Boeing 737-800
B738
12%
of flights
AIRBUS-BOMBARDIER Airbus A220-300
BCS3
9%
of flights
BOEING Boeing 737 MAX 8
B38M
5%
of flights
AIRBUS Airbus A319
A319
1%
of flights

Looking for the return flight?

View KSFO → KSEA