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Flight records through . Security counts through .

Which SDF to FLL flight is punctual? Allegiant 517, 8:48 pm.

44% on time across 9 flights in the last 3 months, never cancelled.

Find your flightSDF security

  • G4 517

    44%

    on time

    8:48 pm

    0% cancelled

  • G4 496

    25%

    on time

    9:10 pm

    0% cancelled

2 regular flights, June to August 2026. Few flights on this route, so these shares move a lot from month to month.

Which airline is most reliable? Spirit, by a distance.

Spirit landed on time 68% of the time, Allegiant 45%.

Flight records,

  • Spirit

    68%

    on time

    9.2% cancelled

  • Allegiant

    45%

    on time

    0.9% cancelled

When do the flights leave? 2 regular flights, 8:48 pm to 9:10 pm.

None was cancelled in the last 3 months.

Flight records,

  1. G4 517 8:48 pm, 0% cancelled 44%
  2. G4 496 9:10 pm, 0% cancelled 25%

What time should I fly? The 11 am departures.

84% landed on time; at 3 pm, 49%. Tuesday was the best day, Friday the worst.

Flight records,

DepartsLanded on time
11 am84%
3 pm49%
6 pm76%

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

Calmest around 5 pm. Louisville 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

870

people screened, all terminals.