The Des Moines to St Louis route connects Des Moines International Airport (DSM) in US with St. Louis Lambert International Airport (STL) in US. This short-haul flight covers approximately 260 miles (418 km) with a typical flight time of 1h 4m. This route is operated by Southwest. AirportRoutes has tracked 5 unique flight numbers on this route.
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Des Moines International Airport
KDSMDSMSt. Louis Lambert International Airport
KSTLSTL1
Operator5
Tracked Flights260
Miles1h 4m
Flight Duration
| Airline | ICAO | IATA |
|---|---|---|
| Southwest |
SWA
|
WN
|
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 14 | 12% |
|
| Tuesday | 15 | 12% |
|
| Wednesday | 20 | 17% |
|
| Thursday | 19 | 16% |
|
| Friday | 19 | 16% |
|
| Saturday | 14 | 12% |
|
| Sunday | 20 | 17% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
Southwest
SWA
/ WN
|
B738 | 06:10 6:10 AM (Representative) |
M
T
W
T
F
S
S
|
Mar 4, 2026 | Active |
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 06:10 6:10 AM | Southwest |
SWA
|
WN
|
Time Information
Times are shown in the departure airport's local timezone (KDSM - America/Chicago).