Route
STL → CLE
St. Louis Lambert International Airport Cleveland Hopkins International Airport
How punctual is this route?
- On-time arrivals
- 81.0%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 57 min
- Flights arriving 15+ minutes late
- Flights tracked
- 691
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 67%
- Airline (crew, maintenance, cleaning) 28%
- Air traffic control & airport 3%
- Extreme weather 1%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.9% | 69 |
| October 2025 | 79.3% | 58 |
| November 2025 | 88.7% | 54 |
| December 2025 | 87.7% | 57 |
| January 2026 | 90.6% | 56 |
| February 2026 | 94.0% | 52 |
| March 2026 | 79.3% | 58 |
| April 2026 | 76.8% | 56 |
| May 2026 | 67.9% | 56 |
| June 2026 | 75.0% | 56 |
| July 2026 | 70.7% | 58 |
| August 2026 | 73.8% | 61 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 691 | 81.0% | 0.3% | 57 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1163
14% late · 58 flights
-
WN2713
45% late · 58 flights
-
WN3753
8% late · 55 flights
-
WN1591
10% late · 53 flights
-
WN790
9% late · 46 flights
-
WN3899
31% late · 35 flights
-
WN175
6% late · 33 flights
-
WN4384
3% late · 31 flights
-
WN4444
10% late · 31 flights
-
WN2878
36% late · 28 flights
-
WN2926
21% late · 28 flights
-
WN3900
30% late · 27 flights
-
WN4704
11% late · 27 flights
-
WN4712
31% late · 26 flights
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