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Flight records through . Security counts through .

Which IAD to MSP flight is punctual? Delta 3996, 6 am.

95% on time across 92 flights in the last 3 months, 1.1% cancelled.

Find your flightIAD security
DepartsFlightOn time
6:00 amDL 399695%
8:45 amUA 199887%
11:44 amDL 369986%
8:45 amUA 364980%
6:55 pmDL 378372%
1:20 pmUA 357670%
6 of 6 regular flights, ranked by arrivals on time, June to August 2026.

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

Delta landed on time 85% of the time, United 83%.

Flight records,

  • Delta

    85%

    on time

    1.1% cancelled

  • United

    83%

    on time

    2.0% cancelled

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

UA 3576 was cancelled most often, 7% of the time.

Flight records,

  1. DL 3996 6:00 am, 1% cancelled 95%
  2. DL 3699 11:44 am, 0% cancelled 86%
  3. DL 3783 6:55 pm, 1% cancelled 72%
  1. UA 1998 8:45 am, 0% cancelled 87%
  2. UA 3649 8:45 am, 5% cancelled 80%
  3. UA 3576 1:20 pm, 7% cancelled 70%

What time should I fly? The 6 am departures.

94% landed on time; at 1 pm, 73%. Thursday was the best day, Monday the worst.

Flight records,

DepartsLanded on time
6 am94%
7 am82%
8 am82%
9 am84%
11 am84%
12 pm93%
1 pm73%
2 pm74%
6 pm76%
7 pm92%

When is IAD security busiest? 3 to 4 pm daily.

Calmest around 9 am. Washington IAD 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, 4 pm

4,000

people screened, all terminals.