Home / Routes / KSFO → KBOS6,780 scheduled
SFO BOS5h 42m

The route from San Francisco International Airport (KSFO) in San Francisco to General Edward Lawrence Logan International Airport (KBOS) in Boston. SkyMeter tracks roughly 6,780 scheduled flights on this route across 20 carriers. The most active operator is UAL (UAL). Average block time is 4h 37m. Departures average 35 minutes off schedule, with 49% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 9.

Scheduled
6,780
last 529 days
ADS-B observed
953
Airlines
20
Avg dep delay
35m
Late >15 min
48.6%
Cancel rate
1.33%

Airlines on this route

17 carriers · scheduled

United Airlines
UAL · UA · 2,626 flights · avg 39m delay · 57.7% late
20 cancelled
Jetblue Airwaysoration
JBU · B6 · 2,393 flights · avg 33m delay · 37.7% late
47 cancelled
Delta Air Lines
DAL · DL · 1,320 flights · avg 32m delay · 45.8% late
22 cancelled
Alaska Airlines
ASA · AS · 344 flights · avg 30m delay · 67.2% late
1 cancelled
Netjets Aviation
EJA · 1I · 59 flights · avg 31m delay · 39.0% late
Flexjet
LXJ · LXJ · 10 flights · avg 47m delay · 70.0% late
Vja
VJA · 7 flights · avg 50m delay · 85.7% late
Executive Jet Management
EJM · EJM · 5 flights · avg 22m delay · 20.0% late
Sunset Aviation
TWY · 4 flights · avg 540m delay · 50.0% late
· VJA · 3 flights · avg 0m delay · 0.0% late
Pod
POD · 2 flights · avg 10m delay · 0.0% late
Air Tahiti Nui
THT · TN · 2 flights · avg 0m delay · 0.0% late
Pacific Coast Jet
PXT · 1 flights · avg 58m delay · 100.0% late
Baker Aviation
KOW · 1 flights · avg 44m delay · 100.0% late
Southwest Airlines Co
SWA · WN · 1 flights · avg 99m delay · 100.0% late

Recent observed flights

From ADS-B trace data

UAL796N27463B39M
2026-10-12 04:03  →  2026-10-12 09:30  ·  5h 26m
Replay
UAL1665N37567B39M
2026-10-11 06:13  →  2026-10-11 11:34  ·  5h 20m
Replay
JBU1034N2165JA21N
2026-10-10 18:19  →  2026-10-10 23:55  ·  5h 35m
Replay
UAL2647N17414B39M
2026-10-10 15:16  →  2026-10-10 20:28  ·  5h 12m
Replay
JBU434N964JTA321
2026-10-10 14:50  →  2026-10-10 20:15  ·  5h 25m
Replay
DAL400N533DTA21N
2026-10-10 14:03  →  2026-10-10 19:13  ·  5h 9m
Replay
UAL1665N17402B39M
2026-10-10 06:13  →  2026-10-10 11:56  ·  5h 42m
Replay
JBU134N943JTA321
2026-10-10 05:23  →  2026-10-10 10:52  ·  5h 28m
Replay
DAL1655N516DAA21N
2026-10-10 05:11  →  2026-10-10 10:50  ·  5h 39m
Replay
UAL796N17431B39M
2026-10-10 04:22  →  2026-10-10 09:51  ·  5h 29m
Replay

Codeshare partnerships

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

sells UAL 1754
sells UAL 1754
sells JBU 1463
sells JBU 773
sells JBU 689
sells DAL 592
sells JBU 544
sells JBU 360
sells DAL 359
sells UAL 358
sells ASA 343
sells ASA 343
sells ASA 343
sells ASA 343
sells DAL 309
sells DAL 306
sells ASA 250
sells DAL 164
sells JBU 148
sells DAL 137

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737 MAX 9
B39M
41%
of flights
AIRBUS Airbus A321
A321
29%
of flights
AIRBUS Airbus A321 Neo
A21N
26%
of flights
AIRBUS Airbus A320 Neo
A20N
0%
of flights
BOEING Boeing 737-900
B739
0%
of flights
BOEING Boeing 737 MAX 8
B38M
0%
of flights
CESSNA Cessna Citation Latitude
C68A
0%
of flights
BOEING Boeing 767-300
B763
0%
of flights

Looking for the return flight?

View KBOS → KSFO