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Flight records through . Security counts through .

Which IAD to FLL flight is punctual? United 1825, 8:20 am.

88% on time across 67 flights in the last 3 months, never cancelled.

Find your flightIAD security

  • UA 1825

    88%

    on time

    8:20 am

    0% cancelled

  • UA 1379

    66%

    on time

    5:42 pm

    1% cancelled

  • F9 2959

    46%

    on time

    6:09 pm

    4% cancelled

3 regular flights, June to August 2026.

Which airline is most reliable? United, by a distance.

United landed on time 83% of the time, Frontier 46%.

Flight records,

  • United

    83%

    on time

    0.6% cancelled

  • Frontier

    46%

    on time

    3.9% cancelled

When do the flights leave? 3 regular flights, 8:20 am to 6:09 pm.

F9 2959 was cancelled most often, 4% of the time.

Flight records,

  1. UA 1825 8:20 am, 0% cancelled 88%
  2. UA 1379 5:42 pm, 1% cancelled 66%
  1. F9 2959 6:09 pm, 4% cancelled 46%

What time should I fly? The 8 am departures.

88% landed on time; at 6 pm, 58%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
8 am88%
1 pm81%
5 pm70%
6 pm58%
7 pm87%

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.