Jacksonville International ⇄ St. Louis Lambert International JAX–STL
Airlines flew 1,016 flights between Jacksonville International JAX in Jacksonville, FL and St. Louis Lambert International STL in St Louis, MO in the twelve months to July 2026, both directions together: 111,405 passengers in 162,865 seats, 68% of them filled, and 54,012 pounds of freight. 753 miles, about 109 minutes in the air, on 3 airlines: Southwest Airlines Co. (1,013), National Air Cargo Group Inc d/ba National Airlines (2), SkyWest Airlines Inc. (1). 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 | 21 |
| 2/25 | 34 |
| 3/25 | 67 |
| 4/25 | 101 |
| 5/25 | 112 |
| 6/25 | 120 |
| 7/25 | 124 |
| 8/25 | 115 |
| 9/25 | 112 |
| 10/25 | 114 |
| 11/25 | 108 |
| 12/25 | 118 |
| 1/26 | 37 |
| 2/26 | 40 |
| 3/26 | 63 |
| 4/26 | 73 |
| 5/26 | 82 |
| 6/26 | 76 |
| 7/26 | 78 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 2,576 |
| 2/25 | 4,007 |
| 3/25 | 8,604 |
| 4/25 | 11,552 |
| 5/25 | 13,818 |
| 6/25 | 13,005 |
| 7/25 | 13,177 |
| 8/25 | 11,658 |
| 9/25 | 11,508 |
| 10/25 | 12,619 |
| 11/25 | 11,627 |
| 12/25 | 12,886 |
| 1/26 | 3,803 |
| 2/26 | 3,962 |
| 3/26 | 6,913 |
| 4/26 | 7,396 |
| 5/26 | 9,146 |
| 6/26 | 9,920 |
| 7/26 | 9,967 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 1,013 | 110,941 | 68% | scheduled passenger service |
| National Air Cargo Group Inc d/ba National Airlines N8 | 2 | 464 | 80% | charter passenger service |
| SkyWest Airlines Inc. OO | 1 | 0 | 0% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-700/700LR/Max 7 | 447 | 141 | 46,100 |
| Boeing B737 Max 800 | 326 | 175 | 39,206 |
| Boeing 737-800 | 240 | 175 | 25,635 |
| Airbus Industrie A330-200 | 2 | 290 | 464 |
| Embraer ERJ-175 | 1 | 76 | 0 |
JAX → STL this direction alone · flown January 2025 to July 2026
505 flights of 508 scheduled, 55,715 passengers in 80,899 seats, 13,825 pounds of freight. Southwest Airlines Co. 503; National Air Cargo Group Inc d/ba National Airlines 1; SkyWest Airlines Inc. 1.
STL → JAX this direction alone · flown January 2025 to July 2026
511 flights of 507 scheduled, 55,690 passengers in 81,966 seats, 40,187 pounds of freight. Southwest Airlines Co. 510; National Air Cargo Group Inc d/ba National Airlines 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: Jacksonville International JAX and St. Louis Lambert International STL; all routes.