Route
MIA → STL
Miami International Airport St. Louis Lambert International Airport
How punctual is this route?
- On-time arrivals
- 75.9%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,197
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 51%
- Airline (crew, maintenance, cleaning) 34%
- Air traffic control & airport 12%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 67.6% | 68 |
| October 2025 | 73.8% | 84 |
| November 2025 | 82.9% | 105 |
| December 2025 | 68.4% | 98 |
| January 2026 | 75.9% | 110 |
| February 2026 | 72.7% | 110 |
| March 2026 | 78.9% | 136 |
| April 2026 | 74.0% | 96 |
| May 2026 | 75.0% | 89 |
| June 2026 | 77.6% | 98 |
| July 2026 | 78.0% | 100 |
| August 2026 | 82.4% | 103 |
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 | 631 | 76.8% | 1.0% | 76 min |
| Southwest Airlines | 440 | 70.9% | 0.5% | 55 min |
| Envoy Air | 122 | 89.3% | 0.0% | 70 min |
| Republic Airways | 4 | 75.0% | 0.0% | 218 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AA1594
34% late · 209 flights
-
AA1581
23% late · 95 flights
-
WN2931
5% late · 60 flights
-
WN2801
45% late · 58 flights
-
MQ3954
7% late · 55 flights
-
MQ3659
15% late · 53 flights
-
AA1622
13% late · 46 flights
-
WN3282
38% late · 45 flights
-
WN3431
28% late · 39 flights
-
AA1313
22% late · 37 flights
-
AA3175
0% late · 37 flights
-
AA3054
26% late · 32 flights
-
WN3793
35% late · 31 flights
-
AA1715
14% late · 30 flights
-
WN1285
13% late · 30 flights
-
AA1349
7% late · 27 flights
-
AA3065
25% late · 24 flights
-
AA3159
21% late · 24 flights
-
AA974
29% late · 21 flights
Reviews
No reviews yet. Be the first to review this route.