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Flight records through . Security counts through .

Which ATL to SEA flight is punctual? Alaska 377, 7 am.

91% on time across 76 flights in the last 3 months, 1.3% cancelled.

Find your flightATL security
DepartsFlightOn time
7:00 amAS 37791%
9:50 amDL 77487%
12:35 pmDL 62985%
8:54 amAS 34883%
11:10 amDL 64874%
7:40 amDL 44473%
2:32 pmDL 48173%
9:35 pmDL 90373%
8 of 12 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? Delta and Alaska, neck and neck.

Delta landed on time 76% of the time, Alaska 76%.

Flight records,

  • Delta

    76%

    on time

    0.6% cancelled

  • Alaska

    76%

    on time

    1.0% cancelled

When do the flights leave? 12 regular flights, 7 am to 9:35 pm.

DL 903 was cancelled most often, 3% of the time.

Flight records,

  1. DL 444 7:40 am, 0% cancelled 73%
  2. DL 774 9:50 am, 0% cancelled 87%
  3. DL 648 11:10 am, 0% cancelled 74%
  4. DL 629 12:35 pm, 1% cancelled 85%
  5. DL 481 2:32 pm, 0% cancelled 73%
  6. DL 472 4:45 pm, 1% cancelled 59%
  7. DL 714 6:25 pm, 0% cancelled 44%
  8. DL 834 7:22 pm, 0% cancelled 54%
  9. DL 903 9:35 pm, 3% cancelled 73%
  1. AS 377 7:00 am, 1% cancelled 91%
  2. AS 348 8:54 am, 0% cancelled 83%
  3. AS 218 4:18 pm, 1% cancelled 63%

What time should I fly? The 6 am departures.

97% landed on time; at 5 pm, 51%. Saturday was the best day, Friday the worst.

Flight records,

DepartsLanded on time
6 am97%
7 am80%
8 am83%
9 am81%
11 am80%
12 pm79%
1 pm85%
2 pm74%
3 pm81%
4 pm69%
5 pm51%
6 pm68%
7 pm63%
8 pm67%
9 pm76%

When is ATL security busiest? 6 to 8 am, then 2 pm.

Calmest around 11 am. Atlanta 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, 7 am

7,630

people screened, all terminals.