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Flight records through . Security counts through .

Which JAX to STL flight is punctual? Southwest 449, 4:55 pm.

50% on time across 44 flights in the last 3 months, never cancelled.

  • WN 449

    50%

    on time

    4:55 pm

    0% cancelled

1 regular flight, June to August 2026.

When do the flights leave? One regular flight, at 4:55 pm.

None was cancelled in the last 3 months.

Flight records,

  1. WN 449 4:55 pm, 0% cancelled 50%

What time should I fly? The 7 am departures.

99% landed on time; at 4 pm, 57%. Wednesday was the best day, Sunday the worst.

Flight records,

Share of JAX to STL flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
6 am93%
7 am99%
8 am97%
4 pm57%
6 pm86%
7 pm78%
8 pm72%

When is JAX security busiest? 5 am, every morning.

Calmest around 3 pm. Jacksonville security, hour by hour.

Security counts,

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

Friday, 5 am

1,130

people screened, all terminals.