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Flight records through . Security counts through .

Which IAD to MCO flight is punctual? United 379, 8:45 am.

87% on time across 92 flights in the last 3 months, 2.2% cancelled.

Find your flightIAD security
DepartsFlightOn time
8:45 amUA 37987%
12:35 pmUA 220683%
10:33 pmUA 68980%
3:47 pmUA 134867%
1:38 pmF9 435554%
5:22 pmUA 246353%
3:37 pmUA 110148%
7 of 7 regular flights, ranked by arrivals on time, June to August 2026.

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

United landed on time 81% of the time, Frontier 68%.

Flight records,

  • United

    81%

    on time

    0.9% cancelled

  • Frontier

    68%

    on time

    2.3% cancelled

When do the flights leave? 7 regular flights, 8:45 am to 10:33 pm.

F9 4355 was cancelled most often, 4% of the time.

Flight records,

  1. UA 379 8:45 am, 2% cancelled 87%
  2. UA 2206 12:35 pm, 2% cancelled 83%
  3. UA 1101 3:37 pm, 0% cancelled 48%
  4. UA 1348 3:47 pm, 0% cancelled 67%
  5. UA 2463 5:22 pm, 3% cancelled 53%
  6. UA 689 10:33 pm, 0% cancelled 80%
  1. F9 4355 1:38 pm, 4% cancelled 54%

What time should I fly? The 9 am departures.

93% landed on time; at 8 pm, 53%. Tuesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
8 am86%
9 am93%
10 am83%
12 pm84%
1 pm62%
3 pm55%
4 pm83%
5 pm70%
6 pm79%
7 pm72%
8 pm53%
10 pm83%

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.