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Flight records through . Security counts through .

Which JFK to SEA flight is punctual? Alaska 23, 1 pm.

81% on time across 91 flights in the last 3 months, 2.2% cancelled.

Find your flightJFK security
DepartsFlightOn time
1:00 pmAS 2381%
7:00 amDL 69977%
7:00 amAS 2174%
4:29 pmAS 3173%
11:30 amDL 171971%
7:35 pmDL 68868%
4:50 pmDL 74062%
8:23 pmAS 1757%
8 of 9 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 69% of the time, Alaska 66%.

Flight records,

  • Delta

    69%

    on time

    3.2% cancelled

  • Alaska

    66%

    on time

    3.4% cancelled

When do the flights leave? 9 regular flights, 7 am to 8:23 pm.

B6 263 was cancelled most often, 9% of the time.

Flight records,

  1. DL 699 7:00 am, 3% cancelled 77%
  2. DL 1719 11:30 am, 3% cancelled 71%
  3. DL 740 4:50 pm, 5% cancelled 62%
  4. DL 688 7:35 pm, 4% cancelled 68%
  1. AS 21 7:00 am, 2% cancelled 74%
  2. AS 23 1:00 pm, 2% cancelled 81%
  3. AS 31 4:29 pm, 6% cancelled 73%
  4. AS 17 8:23 pm, 3% cancelled 57%

What time should I fly? The 1 pm departures.

83% landed on time; at 6 pm, 50%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
7 am69%
11 am78%
1 pm83%
4 pm67%
5 pm57%
6 pm50%
7 pm71%
8 pm60%

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

Calmest around 11 am. New York JFK 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, 5 pm

6,240

people screened, all terminals.