Airports AirportPace Search

Flight records through . Security counts through .

Which BOS to SFO flight is punctual? United 2441, 6 am.

92% on time across 83 flights in the last 3 months, never cancelled.

BOS to SFO flights that landed on time most often
DepartsFlightOn time
6:00 amUA 244192%
7:45 amUA 30490%
7:28 amUA 32385%
8:00 amB6 83381%
6:35 amB6 133379%
7:28 amUA 262379%
7:20 amDL 97776%
8:55 pmB6 33373%
8 of 25 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? United, ahead of Delta.

United landed on time 72% of the time, Delta 68%.

Flight records,

  • United

    72%

    on time

    1.2% cancelled

  • Delta

    68%

    on time

    1.6% cancelled

  • JetBlue

    65%

    on time

    2.0% cancelled

When do the flights leave? 25 regular flights, 6 am to 8:55 pm.

B6 413 was cancelled most often, 8% of the time.

Flight records,

  1. UA 2441 6:00 am, 0% cancelled 92%
  2. UA 2623 7:28 am, 0% cancelled 79%
  3. UA 323 7:28 am, 0% cancelled 85%
  4. UA 304 7:45 am, 0% cancelled 90%
  5. UA 2002 9:07 am, 0% cancelled 51%
  6. UA 726 9:20 am, 0% cancelled 48%
  7. UA 1074 11:35 am, 0% cancelled 64%
  8. UA 1367 2:00 pm, 0% cancelled 57%
  9. UA 440 4:15 pm, 0% cancelled 38%
  10. UA 512 4:15 pm, 2% cancelled 57%
  11. UA 754 4:15 pm, 0% cancelled 57%
  12. UA 2400 6:10 pm, 2% cancelled 27%
  13. UA 2107 8:20 pm, 4% cancelled 41%
  1. DL 977 7:20 am, 0% cancelled 76%
  2. DL 860 10:05 am, 0% cancelled 47%
  3. DL 1655 5:05 pm, 1% cancelled 60%
  4. DL 2919 8:55 pm, 5% cancelled 58%
  1. B6 1333 6:35 am, 2% cancelled 79%
  2. B6 833 8:00 am, 0% cancelled 81%
  3. B6 1833 9:50 am, 1% cancelled 62%
  4. B6 233 3:50 pm, 6% cancelled 55%
  5. B6 733 5:20 pm, 1% cancelled 40%
  6. B6 1633 6:55 pm, 4% cancelled 36%
  7. B6 333 8:55 pm, 0% cancelled 73%
  8. B6 413 8:55 pm, 8% cancelled 40%

What time should I fly? The 5 am departures.

88% landed on time; at 7 pm, 42%. Saturday was the best day, Monday the worst.

Flight records,

Share of BOS to SFO flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
5 am88%
6 am83%
7 am81%
8 am84%
9 am65%
10 am72%
11 am71%
1 pm83%
2 pm74%
3 pm60%
4 pm55%
5 pm62%
6 pm48%
7 pm42%
8 pm57%
9 pm67%

When is BOS security busiest? 5 to 6 every morning.

Calmest around 12 pm. Boston security, hour by hour.

Security counts,

People screened per hour at BOS checkpoints, by weekday and hour; choose a cell to read it
4a8a12p4p8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun
People screened per hour at BOS checkpoints, by weekday and hour; choose a cell to read it
MonTueWedThuFriSatSun
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p

Monday, 6 am

5,710

people screened, all terminals.