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Flight records through . Security counts through .

Which IAD to DTW flight is punctual? Delta 2884, 11:10 am.

90% on time across 74 flights in the last 3 months, never cancelled.

Find your flightIAD security
DepartsFlightOn time
11:10 amDL 288490%
12:55 pmUA 350283%
8:35 amUA 613783%
12:35 pmUA 349481%
6:00 amDL 382680%
12:55 pmUA 349574%
5:25 pmDL 178771%
5:22 pmUA 624661%
8 of 9 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 77% of the time, United 77%.

Flight records,

  • Delta

    77%

    on time

    1.6% cancelled

  • United

    77%

    on time

    1.5% cancelled

When do the flights leave? 9 regular flights, 6 am to 10:10 pm.

UA 6246 was cancelled most often, 6% of the time.

Flight records,

  1. DL 3826 6:00 am, 1% cancelled 80%
  2. DL 2884 11:10 am, 0% cancelled 90%
  3. DL 1787 5:25 pm, 2% cancelled 71%
  1. UA 6137 8:35 am, 0% cancelled 83%
  2. UA 3494 12:35 pm, 0% cancelled 81%
  3. UA 3495 12:55 pm, 0% cancelled 74%
  4. UA 3502 12:55 pm, 4% cancelled 83%
  5. UA 6246 5:22 pm, 6% cancelled 61%
  6. UA 3995 10:10 pm, 3% cancelled 57%

What time should I fly? The 9 am departures.

98% landed on time; at 5 pm, 70%. Thursday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
6 am81%
8 am85%
9 am98%
11 am85%
12 pm74%
1 pm90%
5 pm70%
10 pm72%

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.