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Flight records through . Security counts through .

Which airline is most reliable? Only Allegiant flies it.

It landed on time 69% of the time and cancelled 1.0% of its flights.

  • Allegiant

    69%

    on time

    98 flights

    1.0% cancelled

September 2025 to August 2026. Few flights on this route, so these shares move a lot from month to month.

When is IAD security busiest? 3 to 4 pm daily.

Calmest around 9 am. Washington IAD security, hour by hour.

Security counts,

People screened per hour at IAD checkpoints, by weekday and hour; choose a cell to read it
4a8a12p4p8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun
People screened per hour at IAD checkpoints, by weekday and hour; choose a cell to read it
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.