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Flight records through . Security counts through .

Which BOS to STL flight is punctual? Southwest 752, 5:50 am.

100% on time across 61 flights in the last 3 months, never cancelled.

Find your flightBOS security
DepartsFlightOn time
5:50 amWN 752100%
7:00 amAA 381489%
12:55 pmWN 491760%
5:11 pmAA 467848%
6:50 pmWN 75436%
5 of 5 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? American, ahead of Southwest.

American landed on time 76% of the time, Southwest 71%.

Flight records,

  • American

    76%

    on time

    2.7% cancelled

  • Southwest

    71%

    on time

    1.0% cancelled

When do the flights leave? 5 regular flights, 5:50 am to 6:50 pm.

AA 4678 was cancelled most often, 6% of the time.

Flight records,

  1. AA 3814 7:00 am, 0% cancelled 89%
  2. AA 4678 5:11 pm, 6% cancelled 48%
  1. WN 752 5:50 am, 0% cancelled 100%
  2. WN 4917 12:55 pm, 0% cancelled 60%
  3. WN 754 6:50 pm, 2% cancelled 36%

What time should I fly? The 5 am departures.

96% landed on time; at 6 pm, 36%. Saturday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
5 am96%
6 am88%
7 am91%
8 am85%
9 am76%
10 am90%
11 am85%
12 pm74%
1 pm66%
2 pm60%
3 pm70%
4 pm57%
5 pm49%
6 pm36%
7 pm52%

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

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

Security counts,

4a8a12p4p8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun
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.