Route
STL → CLT
St. Louis Lambert International Airport Charlotte Douglas International Airport
How punctual is this route?
- On-time arrivals
- 83.7%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 98 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,823
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 46%
- Airline (crew, maintenance, cleaning) 44%
- Extreme weather 6%
- Air traffic control & airport 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.0% | 155 |
| October 2025 | 84.5% | 162 |
| November 2025 | 81.4% | 162 |
| December 2025 | 78.3% | 166 |
| January 2026 | 89.4% | 155 |
| February 2026 | 87.9% | 136 |
| March 2026 | 84.1% | 128 |
| April 2026 | 91.9% | 123 |
| May 2026 | 86.3% | 139 |
| June 2026 | 76.5% | 169 |
| July 2026 | 78.3% | 178 |
| August 2026 | 82.0% | 150 |
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 |
|---|---|---|---|---|
| American Airlines | 1,497 | 85.8% | 1.3% | 106 min |
| Southwest Airlines | 247 | 72.0% | 0.4% | 59 min |
| OH | 79 | 82.4% | 6.3% | 175 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AA858
6% late · 172 flights
-
AA2486
22% late · 158 flights
-
AA1992
9% late · 151 flights
-
AA2475
15% late · 120 flights
-
AA2477
15% late · 111 flights
-
AA712
17% late · 105 flights
-
AA2497
13% late · 86 flights
-
AA2717
32% late · 73 flights
-
AA2731
27% late · 69 flights
-
AA1515
5% late · 66 flights
-
AA2733
12% late · 65 flights
-
AA1250
10% late · 62 flights
-
WN1788
37% late · 52 flights
-
WN4937
48% late · 52 flights
-
AA831
21% late · 48 flights
-
AA2943
16% late · 44 flights
-
AA2950
9% late · 44 flights
-
AA2958
14% late · 44 flights
-
WN4787
7% late · 42 flights
-
OH5614
22% late · 37 flights
-
AA2392
12% late · 33 flights
-
AA2967
0% late · 24 flights
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