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Flight records through . Security counts through .

Which BUF to MDW flight is punctual? Southwest 4154, 7:35 am.

96% on time across 26 flights in the last 3 months, 3.8% cancelled.

Find your flightBUF security
DepartsFlightOn time
7:35 amWN 415496%
4:10 pmWN 76661%
7:55 pmWN 76850%
7:10 pmWN 385325%
4 of 4 regular flights, ranked by arrivals on time, June to August 2026.

When do the flights leave? 4 regular flights, 7:35 am to 7:55 pm.

WN 768 was cancelled most often, 5% of the time.

Flight records,

  1. WN 4154 7:35 am, 4% cancelled 96%
  2. WN 766 4:10 pm, 3% cancelled 61%
  3. WN 3853 7:10 pm, 0% cancelled 25%
  4. WN 768 7:55 pm, 5% cancelled 50%

What time should I fly? The 7 am departures.

92% landed on time; at 7 pm, 41%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
5 am86%
6 am91%
7 am92%
8 am82%
11 am86%
12 pm75%
4 pm61%
6 pm70%
7 pm41%
8 pm56%

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

Calmest around 12 pm. Buffalo 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, 5 am

1,130

people screened, all terminals.