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Flight records through . Security counts through .

Which AUS to ATL flight is punctual? Southwest 251, 5:30 am.

96% on time across 27 flights in the last 3 months, never cancelled.

Find your flightAUS security
DepartsFlightOn time
5:30 amWN 25196%
5:25 amDL 134492%
6:25 amDL 125892%
10:35 amDL 297689%
8:15 amDL 289988%
12:09 pmDL 288682%
1:31 pmDL 201180%
4:55 pmDL 139773%
8 of 13 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? Delta, ahead of Southwest.

Delta landed on time 85% of the time, Southwest 77%.

Flight records,

  • Delta

    85%

    on time

    1.5% cancelled

  • Southwest

    77%

    on time

    0.5% cancelled

When do the flights leave? 13 regular flights, 5:25 am to 9:55 pm.

WN 254 was cancelled most often, 4% of the time.

Flight records,

  1. DL 1344 5:25 am, 3% cancelled 92%
  2. DL 1258 6:25 am, 1% cancelled 92%
  3. DL 2899 8:15 am, 0% cancelled 88%
  4. DL 2976 10:35 am, 1% cancelled 89%
  5. DL 2886 12:09 pm, 0% cancelled 82%
  6. DL 2011 1:31 pm, 1% cancelled 80%
  7. DL 2104 3:00 pm, 2% cancelled 67%
  8. DL 1397 4:55 pm, 0% cancelled 73%
  9. DL 1491 6:24 pm, 0% cancelled 64%
  1. WN 251 5:30 am, 0% cancelled 96%
  2. WN 254 3:05 pm, 4% cancelled 41%
  3. WN 255 9:55 pm, 0% cancelled 44%

What time should I fly? The 9 am departures.

96% landed on time; at 4 pm, 63%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
5 am94%
6 am92%
8 am88%
9 am96%
10 am90%
11 am90%
12 pm80%
1 pm80%
2 pm72%
3 pm75%
4 pm63%
5 pm68%
6 pm69%
7 pm76%

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

Calmest around 5 pm. Austin 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

Friday, 6 am

2,880

people screened, all terminals.