Home / Routes / KBOS → KSFO6,042 scheduled
BOS SFO6h 23m

The route from General Edward Lawrence Logan International Airport (KBOS) in Boston to San Francisco International Airport (KSFO) in San Francisco. SkyMeter tracks roughly 6,042 scheduled flights on this route across 19 carriers. The most active operator is UAL (UAL). Average block time is 5h 52m. 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
6,042
last 494 days
ADS-B observed
1,235
Airlines
19
Avg dep delay
38m
Late >15 min
60.0%
Cancel rate
1.13%

Airlines on this route

18 carriers · scheduled

United Airlines
UAL · UA · 2,309 flights · avg 35m delay · 56.8% late
21 cancelled
Jetblue Airwaysoration
JBU · B6 · 2,160 flights · avg 37m delay · 53.8% late
30 cancelled
Delta Air Lines
DAL · DL · 1,138 flights · avg 42m delay · 72.5% late
14 cancelled
Alaska Airlines
ASA · AS · 343 flights · avg 51m delay · 84.8% late
1 cancelled
Netjets Aviation
EJA · 1I · 37 flights · avg 33m delay · 48.6% late
Air Pacific Limited
FJI · FJ · 22 flights · avg —m delay · 0.0% late
2 cancelled
Flexjet
LXJ · LXJ · 12 flights · avg 59m delay · 83.3% late
Pod
POD · 4 flights · avg 10m delay · 0.0% late
Vja
VJA · 3 flights · avg 26m delay · 33.3% late
Executive Jet Management
EJM · EJM · 3 flights · avg 32m delay · 66.7% late
Qatar Executive
QQE · QE · 2 flights · avg 68m delay · 100.0% late
Baker Aviation
KOW · 2 flights · avg 38m delay · 50.0% late
Corporate Flight International Dba Thrive Aviation
TIV · 2 flights · avg 178m delay · 100.0% late
Chevronoration
GLH · 1 flights · avg —m delay · 0.0% late
Pacific Coast Jet
PXT · 1 flights · avg 48m delay · 100.0% late

Recent observed flights

From ADS-B trace data

UAL1074N17431B39M
2026-09-05 15:40  →  2026-09-05 21:43  ·  6h 2m
Replay
DAL860N579DTA21N
2026-09-05 15:07  →  2026-09-05 21:19  ·  6h 12m
Replay
JBU733N990JLA321
2026-09-05 14:22  →  2026-09-05 20:23  ·  6h 0m
Replay
UAL726N47505B39M
2026-09-05 14:04  →  2026-09-05 20:10  ·  6h 6m
Replay
JBU1333N2205JA21N
2026-09-05 10:25  →  2026-09-05 16:35  ·  6h 10m
Replay
JBU413N978JBA321
2026-09-05 01:31  →  2026-09-05 07:58  ·  6h 26m
Replay
UAL1074N37523B39M
2026-09-04 15:41  →  2026-09-04 22:14  ·  6h 33m
Replay
UAL726N67812B739
2026-09-04 14:22  →  2026-09-04 20:34  ·  6h 12m
Replay
JBU1833N937JBA321
2026-09-04 14:02  →  2026-09-04 20:51  ·  6h 49m
Replay
JBU833N989JTA321
2026-09-04 12:32  →  2026-09-04 19:25  ·  6h 53m
Replay

Codeshare partnerships

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

sells UAL 1752
sells UAL 1752
sells JBU 1465
sells JBU 687
sells JBU 661
sells JBU 661
sells JBU 361
sells JBU 360
sells DAL 358
sells UAL 341
sells ASA 340
sells ASA 340
sells ASA 340
sells ASA 340
sells UAL 317
sells DAL 278
sells ASA 255
sells ASA 250
sells DAL 224
sells DAL 197

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737 MAX 9
B39M
37%
of flights
AIRBUS Airbus A321
A321
32%
of flights
AIRBUS Airbus A321 Neo
A21N
28%
of flights
BOEING Boeing 757-200
B752
1%
of flights
BOEING Boeing 737-900
B739
0%
of flights
CESSNA Cessna Citation Longitude
C700
0%
of flights
BOMBARDIER Bombardier Challenger 350
CL35
0%
of flights
GULFSTREAM AEROSPACE Gulfstream IV/G400
GLF4
0%
of flights

Looking for the return flight?

View KSFO → KBOS