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Flight records through . Security counts through .

Which IAD to SLC flight is punctual? Delta 432, 7:15 am.

95% on time across 92 flights in the last 3 months, never cancelled.

Find your flightIAD security

  • DL 432

    95%

    on time

    7:15 am

    0% cancelled

  • UA 2410

    55%

    on time

    5:50 pm

    4% cancelled

2 regular flights, June to August 2026.

Which airline is most reliable? Delta, ahead of United.

Delta landed on time 84% of the time, United 76%.

Flight records,

  • Delta

    84%

    on time

    1.6% cancelled

  • United

    76%

    on time

    1.2% cancelled

When do the flights leave? 2 regular flights, 7:15 am to 5:50 pm.

UA 2410 was cancelled most often, 4% of the time.

Flight records,

  1. DL 432 7:15 am, 0% cancelled 95%
  1. UA 2410 5:50 pm, 4% cancelled 55%

What time should I fly? The 7 am departures.

84% landed on time; at 5 pm, 77%. Saturday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
6 am82%
7 am84%
5 pm77%

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.