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Flight records through . Security counts through .

Which BOS to IAD flight is punctual? United 1734, 5:45 am.

94% on time across 92 flights in the last 3 months, 3.3% cancelled.

Find your flightBOS security
DepartsFlightOn time
5:45 amUA 173494%
12:35 pmUA 341384%
9:25 amUA 209884%
2:15 pmUA 72171%
7:27 pmUA 213661%
6:05 pmUA 354351%
6 of 6 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 6 regular flights, 5:45 am to 7:27 pm.

UA 3543 was cancelled most often, 30% of the time.

Flight records,

  1. UA 1734 5:45 am, 3% cancelled 94%
  2. UA 2098 9:25 am, 0% cancelled 84%
  3. UA 3413 12:35 pm, 5% cancelled 84%
  4. UA 721 2:15 pm, 2% cancelled 71%
  5. UA 3543 6:05 pm, 30% cancelled 51%
  6. UA 2136 7:27 pm, 2% cancelled 61%

What time should I fly? The 5 am departures.

94% landed on time; at 6 pm, 51%. Saturday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
5 am94%
9 am88%
12 pm84%
2 pm74%
6 pm51%
7 pm68%

When is BOS security busiest? 5 to 6 every morning.

Calmest around 12 pm. Boston 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

Monday, 6 am

5,710

people screened, all terminals.