Savannah (SAV) to St Louis (STL) flights
Southwest Airlines flies nonstop from Savannah Hilton Head International Airport to St. Louis Lambert International Airport, with about 7 flights a week in July 2026. The 689-mile flight takes about 1h 59m gate to gate.
- Distance
- 689 mi · 1,109 km
- Flight time
- 1h 59m
- Airlines
- 1
- Seats filled
- 76%
Airlines flying SAV to STL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 7 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 10,433 | 1h 59m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SAV to STL flight schedule
2 flight numbers flew this route in August 2026. The first usually leaves at 12:50pm and the last at 4:10pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| WN 3515Southwest Airlines | 12:50pm | 1:50pm | 8 | n/a |
| WN 4055Southwest Airlines | 4:10pm | 5:10pm | 12 | 92% |
Is SAV to STL on time?
From September 2025 to August 2026, 76% of 106 flights arrived within 15 minutes of schedule and 0% were cancelled. Flights leaving around 2pm were the most punctual (94%), those around 5pm the least (68%). Most delay time was caused by late-arriving aircraft (71%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 106 | 76% | 13 min | 0% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 1pm to 2pm | 29 | 72% | |
| 2pm to 3pm | 16 | 94% | |
| 3pm to 4pm | 16 | 69% | |
| 4pm to 5pm | 12 | 92% | |
| 5pm to 6pm | 28 | 68% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 8 | 834 | |
| September 2025 | 4 | 372 | |
| March 2026 | 5 | 550 | |
| April 2026 | 8 | 1,015 | |
| May 2026 | 10 | 1,228 | |
| June 2026 | 27 | 3,040 | |
| July 2026 | 31 | 3,394 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.