SAV to STL flight delays & on-time performance
Nonstop flights from Savannah Hilton Head International Airport to St. Louis Lambert International Airport · 689 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SAV or STL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Savannah (SAV) to St. Louis (STL) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 4% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 1pm did best (75% on time); around 3pm did worst (67%).
- Saturday was the most reliable day to fly (80% on time) and Friday the least (60%).
- The largest source of delay minutes was late-arriving aircraft (59%).
Which airline is most on time from SAV to STL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 76% | 0.0% | 11 min | 4.4% | 91 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 1pm75%32 flights
- 2pm100%13 flights
- 3pm67%15 flights
- 5pm70%27 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday67%0.0% cancelled
- Tuesday88%0.0% cancelled
- Wednesday100%0.0% cancelled
- Thursday78%0.0% cancelled
- Friday60%0.0% cancelled
- Saturday80%0.0% cancelled
- Sunday65%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft59%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion8%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
SAV to STL: common questions
- How often are SAV to STL flights on time?
- 76% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Savannah to St. Louis cancelled?
- 0.0% of scheduled flights were cancelled (0 of 91).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 39 min behind schedule on average, and 4.4% of flights were an hour or more late.
- How long is taxi time at SAV?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: STL to SAV — 65% on time
More flights from Savannah
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SAV → STL, nonstop flights by US airlines that report to the DOT. How we calculate this.