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Flight records through . Security counts through .

Does DSM to STL still fly? Not since March 2026.

The last flight on record left March 4, 2026. Flight records run about two months behind.

  • Southwest

    90%

    on time

    347 flights

    0.9% cancelled

September 2025 to August 2026. Few flights on this route, so these shares move a lot from month to month.

Which departures ran on time? The 3 pm departures.

97% landed on time; at 6 pm, 79%. Wednesday was the best day, Saturday the worst.

Flight records,

Share of DSM to STL flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
5 am91%
6 am97%
3 pm97%
4 pm88%
6 pm79%

When is DSM security busiest? 4 to 5 every morning.

Calmest around 5 pm. Des Moines security, hour by hour.

Security counts,

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

720

people screened, all terminals.