Which departure time was most reliable for AUS to MIA?
Among qualifying AUS-to-MIA departure window results, Early morning had the highest on-time rate: 88.4% of 822 flights. Evening was lowest at 62.5% across 371 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 822 | 88.4% | 5.1% | 1.6% |
| Late morning | 582 | 81.1% | 11.3% | 1.0% |
| Afternoon | 384 | 62.8% | 22.7% | 0.3% |
| Evening | 371 | 62.5% | 24.3% | 1.9% |
Which weekday was most reliable for AUS to MIA?
Among qualifying AUS-to-MIA weekday results, Tuesday had the highest on-time rate: 85.2% of 297 flights. Sunday was lowest at 69.7% across 330 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 313 | 77.6% | 11.5% | 3.2% |
| Tuesday | 297 | 85.2% | 7.1% | 0.7% |
| Wednesday | 294 | 77.2% | 13.6% | 0.3% |
| Thursday | 320 | 81.2% | 10.0% | 0.6% |
| Friday | 307 | 76.5% | 14.3% | 1.0% |
| Saturday | 300 | 75.0% | 17.7% | 0.3% |
| Sunday | 330 | 69.7% | 18.2% | 2.4% |
Which airline was most reliable for AUS to MIA?
Among qualifying AUS-to-MIA airline results, Delta Air Lines had the highest on-time rate: 88.2% of 221 flights. Southwest Airlines was lowest at 66.2% across 349 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| American Airlines | 1,522 | 78.6% | 13.0% | 1.4% |
| Southwest Airlines | 349 | 66.2% | 17.2% | 0.9% |
| Delta Air Lines | 221 | 88.2% | 6.8% | 1.4% |
| Frontier Airlines | 46 | 71.7% | 19.6% | 0.0% |
| Envoy Air | 22 | 72.7% | 18.2% | 0.0% |
| Spirit Airlines | 1 | 100.0% | 0.0% | 0.0% |
Which month was most reliable for AUS to MIA?
Among qualifying AUS-to-MIA month results, February 2026 had the highest on-time rate: 85.2% of 182 flights. August 2025 was lowest at 64.3% across 157 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 178 | 67.4% | 16.9% | 2.2% |
| August 2025 | 157 | 64.3% | 25.5% | 1.3% |
| September 2025 | 124 | 80.6% | 10.5% | 0.8% |
| October 2025 | 152 | 80.9% | 8.6% | 0.0% |
| November 2025 | 165 | 77.0% | 13.9% | 1.2% |
| December 2025 | 187 | 81.3% | 12.3% | 0.0% |
| January 2026 | 175 | 76.0% | 12.6% | 5.7% |
| February 2026 | 182 | 85.2% | 8.8% | 0.5% |
| March 2026 | 217 | 72.4% | 16.6% | 1.4% |
| April 2026 | 210 | 83.8% | 8.6% | 1.0% |
| May 2026 | 214 | 81.3% | 10.7% | 0.0% |
| June 2026 | 200 | 77.5% | 14.5% | 1.0% |
What drove AUS to MIA delay minutes?
Late aircraft was the largest recorded AUS-to-MIA delay category, accounting for 45.2% of 33,429 BTS-attributed delay minutes during July 2025–June 2026.
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