Route
CLE → STL
Cleveland Hopkins International Airport St. Louis Lambert International Airport
How punctual is this route?
- On-time arrivals
- 82.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 691
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 51%
- Airline (crew, maintenance, cleaning) 34%
- Air traffic control & airport 10%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.0% | 69 |
| October 2025 | 94.8% | 58 |
| November 2025 | 85.2% | 54 |
| December 2025 | 77.2% | 57 |
| January 2026 | 87.5% | 56 |
| February 2026 | 86.5% | 52 |
| March 2026 | 75.9% | 58 |
| April 2026 | 87.5% | 56 |
| May 2026 | 75.0% | 56 |
| June 2026 | 78.6% | 56 |
| July 2026 | 72.4% | 58 |
| August 2026 | 80.3% | 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 | 82.3% | 0.0% | 62 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1165
10% late · 61 flights
-
WN1256
7% late · 58 flights
-
WN1974
28% late · 57 flights
-
WN1652
16% late · 55 flights
-
WN1092
6% late · 50 flights
-
WN1643
12% late · 42 flights
-
WN1887
6% late · 33 flights
-
WN1409
52% late · 31 flights
-
WN462
3% late · 31 flights
-
WN358
3% late · 30 flights
-
WN1147
14% late · 28 flights
-
WN1891
43% late · 28 flights
-
WN747
30% late · 27 flights
-
WN4142
29% late · 24 flights
-
WN1097
30% late · 23 flights
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