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Flight records through . Security counts through .

Which MIA to BOS flight is punctual? American 3127, 6:50 am.

100% on time across 23 flights in the last 3 months, never cancelled.

Find your flightMIA security
DepartsFlightOn time
6:50 amAA 3127100%
6:40 amAA 81598%
9:40 amAA 224792%
11:00 amAA 114782%
9:26 amAA 158978%
10:51 amAA 156577%
11:50 amDL 139976%
12:35 pmAA 118474%
8 of 13 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? American and Delta, neck and neck.

American landed on time 70% of the time, Delta 67%.

Flight records,

  • American

    70%

    on time

    1.7% cancelled

  • Delta

    67%

    on time

    2.7% cancelled

When do the flights leave? 13 regular flights, 6:40 am to 9:45 pm.

AA 1147 was cancelled most often, 4% of the time.

Flight records,

  1. AA 815 6:40 am, 0% cancelled 98%
  2. AA 3127 6:50 am, 0% cancelled 100%
  3. AA 1589 9:26 am, 0% cancelled 78%
  4. AA 2247 9:40 am, 0% cancelled 92%
  5. AA 1565 10:51 am, 2% cancelled 77%
  6. AA 1147 11:00 am, 4% cancelled 82%
  7. AA 1184 12:35 pm, 0% cancelled 74%
  8. AA 1538 12:42 pm, 2% cancelled 68%
  9. AA 1074 6:20 pm, 0% cancelled 62%
  10. AA 2539 8:20 pm, 0% cancelled 48%
  11. AA 1054 9:45 pm, 2% cancelled 45%
  1. DL 1399 11:50 am, 0% cancelled 76%
  2. DL 776 7:58 pm, 3% cancelled 56%

What time should I fly? The 8 am departures.

91% landed on time; at 9 pm, 56%. Wednesday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
6 am91%
7 am77%
8 am91%
9 am84%
10 am75%
11 am70%
12 pm63%
2 pm71%
5 pm60%
6 pm59%
7 pm57%
8 pm59%
9 pm56%

When is MIA security busiest? 3 pm, then 5 to 6 pm.

Calmest around 1 pm. Miami 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

Thursday, 6 pm

4,310

people screened, all terminals.