Des Moines International ⇄ St. Louis Lambert International DSM–STL
Airlines flew 814 flights between Des Moines International DSM in Des Moines, IA and St. Louis Lambert International STL in St Louis, MO in the twelve months to July 2026, both directions together: 83,072 passengers in 133,738 seats, 62% of them filled, and 176,659 pounds of freight. 259 miles, about 42 minutes in the air, on 7 airlines: Southwest Airlines Co. (806), Sun Country Airlines d/b/a MN Airlines (2), Republic Airline (2), Endeavor Air Inc. (1) and 3 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 114 |
| 2/25 | 104 |
| 3/25 | 110 |
| 4/25 | 112 |
| 5/25 | 111 |
| 6/25 | 115 |
| 7/25 | 115 |
| 8/25 | 113 |
| 9/25 | 113 |
| 10/25 | 115 |
| 11/25 | 109 |
| 12/25 | 121 |
| 1/26 | 117 |
| 2/26 | 104 |
| 3/26 | 16 |
| 4/26 | 2 |
| 7/26 | 4 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 10,130 |
| 2/25 | 9,782 |
| 3/25 | 12,035 |
| 4/25 | 12,054 |
| 5/25 | 13,435 |
| 6/25 | 13,194 |
| 7/25 | 11,301 |
| 8/25 | 13,027 |
| 9/25 | 11,712 |
| 10/25 | 11,999 |
| 11/25 | 10,775 |
| 12/25 | 12,652 |
| 1/26 | 10,623 |
| 2/26 | 10,394 |
| 3/26 | 1,561 |
| 4/26 | 49 |
| 7/26 | 280 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 806 | 82,971 | 62% | scheduled passenger service |
| Sun Country Airlines d/b/a MN Airlines SY | 2 | 0 | 0% | charter passenger service |
| Republic Airline YX | 2 | 0 | 0% | scheduled passenger service |
| Endeavor Air Inc. 9E | 1 | 33 | 43% | scheduled passenger service |
| CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle LF | 1 | 0 | 0% | charter passenger service |
| Federal Express Corporation FX | 1 | 0 | scheduled cargo service | |
| Envoy Air MQ | 1 | 68 | 89% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing B737 Max 800 | 295 | 175 | 30,484 |
| Boeing 737-800 | 269 | 175 | 27,865 |
| Boeing 737-700/700LR/Max 7 | 244 | 142 | 24,622 |
| Embraer ERJ-175 | 3 | 76 | 68 |
| Canadair CRJ 900 | 1 | 76 | 33 |
| Bombardier Challenger 604/605 | 1 | 30 | 0 |
| Airbus Industrie A300-600/R/CF/RCF | 1 | 0 | 0 |
DSM → STL this direction alone · flown January 2025 to July 2026
407 flights of 403 scheduled, 42,482 passengers in 67,909 seats, 16,260 pounds of freight. Southwest Airlines Co. 403; Sun Country Airlines d/b/a MN Airlines 2; Endeavor Air Inc. 1; CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle 1.
STL → DSM this direction alone · flown January 2025 to April 2026
407 flights of 407 scheduled, 40,590 passengers in 65,829 seats, 160,399 pounds of freight. Southwest Airlines Co. 403; Republic Airline 2; Federal Express Corporation 1; Envoy Air 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Des Moines International DSM and St. Louis Lambert International STL; all routes.