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Flight records through . Security counts through .

Which IAD to SYR flight is punctual? United 4860, 8:29 am.

92% on time across 24 flights in the last 3 months, never cancelled.

Find your flightIAD security
DepartsFlightOn time
8:29 amUA 486092%
12:45 pmUA 484383%
8:29 amUA 437080%
10:25 pmUA 485475%
12:45 pmUA 436070%
10:25 pmUA 485669%
5:25 pmUA 497763%
7 of 7 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 7 regular flights, 8:29 am to 10:25 pm.

UA 4977 was cancelled most often, 10% of the time.

Flight records,

  1. UA 4370 8:29 am, 2% cancelled 80%
  2. UA 4860 8:29 am, 0% cancelled 92%
  3. UA 4360 12:45 pm, 4% cancelled 70%
  4. UA 4843 12:45 pm, 0% cancelled 83%
  5. UA 4977 5:25 pm, 10% cancelled 63%
  6. UA 4854 10:25 pm, 0% cancelled 75%
  7. UA 4856 10:25 pm, 8% cancelled 69%

What time should I fly? The 8 am departures.

83% landed on time; at 5 pm, 71%. Wednesday was the best day, Thursday the worst.

Flight records,

DepartsLanded on time
8 am83%
12 pm79%
5 pm71%
10 pm74%

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.