Route
MIA → AUS
Miami International Airport Austin Bergstrom International Airport
How punctual is this route?
- On-time arrivals
- 72.2%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,236
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 40%
- Airline (crew, maintenance, cleaning) 38%
- Air traffic control & airport 15%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.8% | 125 |
| October 2025 | 74.2% | 152 |
| November 2025 | 78.0% | 166 |
| December 2025 | 73.1% | 186 |
| January 2026 | 69.3% | 175 |
| February 2026 | 79.4% | 182 |
| March 2026 | 77.9% | 217 |
| April 2026 | 71.3% | 210 |
| May 2026 | 67.1% | 213 |
| June 2026 | 69.8% | 200 |
| July 2026 | 57.5% | 209 |
| August 2026 | 74.5% | 201 |
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 | 1,551 | 73.9% | 1.0% | 75 min |
| Southwest Airlines | 356 | 66.5% | 0.3% | 58 min |
| Delta Air Lines | 284 | 69.4% | 1.1% | 89 min |
| Frontier Airlines | 28 | 78.6% | 0.0% | 104 min |
| Envoy Air | 17 | 76.5% | 0.0% | 50 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL2344
31% late · 284 flights
-
AA2629
29% late · 279 flights
-
AA1427
37% late · 176 flights
-
AA1521
24% late · 154 flights
-
AA620
28% late · 132 flights
-
AA2708
12% late · 131 flights
-
AA812
9% late · 81 flights
-
AA1411
49% late · 76 flights
-
AA1417
13% late · 64 flights
-
WN3419
37% late · 57 flights
-
AA1397
21% late · 54 flights
-
AA1396
39% late · 44 flights
-
AA1823
9% late · 44 flights
-
AA2591
27% late · 44 flights
-
AA1385
26% late · 37 flights
-
WN336
66% late · 35 flights
-
WN1081
25% late · 33 flights
-
AA1466
32% late · 31 flights
-
AA1933
27% late · 30 flights
-
AA2324
24% late · 29 flights
-
F94123
21% late · 28 flights
-
WN1195
7% late · 28 flights
-
AA2290
41% late · 27 flights
-
AA3091
38% late · 24 flights
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