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Flight records through . Security counts through .

Which SJU to BWI flight is punctual? Southwest 3718, 10:20 am.

90% on time across 51 flights in the last 3 months, never cancelled.

Find your flightSJU security
DepartsFlightOn time
10:20 amWN 371890%
5:30 amWN 371785%
7:34 amF9 226581%
5:15 pmWN 371980%
5:30 amWN 162380%
3:20 pmWN 364275%
6 of 6 regular flights, ranked by arrivals on time, June to August 2026.

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

Southwest landed on time 80% of the time, Frontier 72%.

Flight records,

  • Southwest

    80%

    on time

    1.0% cancelled

  • Frontier

    72%

    on time

    4.9% cancelled

  • Spirit

    66%

    on time

    7.2% cancelled

When do the flights leave? 6 regular flights, 5:30 am to 5:15 pm.

F9 2265 was cancelled most often, 3% of the time.

Flight records,

  1. WN 1623 5:30 am, 0% cancelled 80%
  2. WN 3717 5:30 am, 0% cancelled 85%
  3. WN 3718 10:20 am, 0% cancelled 90%
  4. WN 3642 3:20 pm, 0% cancelled 75%
  5. WN 3719 5:15 pm, 0% cancelled 80%
  1. F9 2265 7:34 am, 3% cancelled 81%

What time should I fly? The 5 am departures.

89% landed on time; at 8 pm, 46%. Wednesday was the best day, Saturday the worst.

Flight records,

DepartsLanded on time
5 am89%
6 am86%
7 am86%
10 am88%
2 pm64%
3 pm75%
4 pm71%
5 pm67%
8 pm46%
9 pm59%

When is SJU security busiest? 11 am to 2 pm daily.

Calmest around 5 pm. San Juan 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, 1 pm

1,700

people screened, all terminals.