STL to CLE flight delays & on-time performance
Nonstop flights from St. Louis Lambert International Airport to Cleveland Hopkins International Airport · 487 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at STL or CLE right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from St. Louis (STL) to Cleveland (CLE) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.3% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 11am did best (97% on time); around 12pm did worst (62%).
- Tuesday was the most reliable day to fly (89% on time) and Sunday the least (76%).
- The largest source of delay minutes was late-arriving aircraft (71%).
Which airline is most on time from STL to CLE?
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 | 82% | 0.3% | 11 min | 4.8% | 698 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am94%79 flights
- 8am93%106 flights
- 10am88%76 flights
- 11am97%34 flights
- 12pm62%26 flights
- 1pm82%11 flights
- 2pm91%35 flights
- 5pm89%28 flights
- 6pm82%99 flights
- 7pm66%68 flights
- 8pm67%124 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%0.9% cancelled
- Tuesday89%0.0% cancelled
- Wednesday86%0.0% cancelled
- Thursday82%0.0% cancelled
- Friday82%0.0% cancelled
- Saturday81%0.0% cancelled
- Sunday76%1.0% 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 aircraft71%
- Airline (crew, maintenance, cleaning, fueling)24%
- Air traffic control & airport congestion3%
- Extreme weather1%
- Security1%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Extreme weather50%
- Air traffic control & airport congestion0%
- Security0%
STL to CLE: common questions
- How often are STL to CLE flights on time?
- 82% 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 St. Louis to Cleveland cancelled?
- 0.3% of scheduled flights were cancelled (2 of 698).
- 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 55 min behind schedule on average, and 4.8% of flights were an hour or more late.
- How long is taxi time at STL?
- Flights on this route spent 11 min taxiing from the gate to takeoff on average.
Related routes
Return trip: CLE to STL — 83% on time
More flights from St. Louis
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: STL → CLE, nonstop flights by US airlines that report to the DOT. How we calculate this.