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Flight records through . Security counts through .

Which IAD to MCI flight is punctual? United 3505, 1 pm.

90% on time across 21 flights in the last 3 months, never cancelled.

Find your flightIAD security
DepartsFlightOn time
1:00 pmUA 350590%
12:55 pmUA 352880%
5:44 pmUA 116576%
5:15 pmUA 205769%
4 of 4 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 4 regular flights, 12:55 pm to 5:44 pm.

UA 2057 was cancelled most often, 3% of the time.

Flight records,

  1. UA 3528 12:55 pm, 1% cancelled 80%
  2. UA 3505 1:00 pm, 0% cancelled 90%
  3. UA 2057 5:15 pm, 3% cancelled 69%
  4. UA 1165 5:44 pm, 0% cancelled 76%

What time should I fly? The 1 pm departures.

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

Flight records,

DepartsLanded on time
12 pm80%
1 pm84%
5 pm77%
6 pm79%

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.