Route Reliability
Austin → Miami
AUS–MIA · 1,103 miles · Austin–Bergstrom International Airport to Miami International Airport
- 79%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.3%
- Cancelled
- 2,131
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines89%191 flights
- 2.American Airlines80%1,535 flights
- 3.Southwest Airlines70%349 flights
Not enough history to rank: Frontier Airlines (55 flights), Spirit Airlines (1 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning-you made the right choice.
AUS–MIA flights departing between 3–6 AM arrived on time 93% of the time, versus 64% between 3–6 PM.
Sunday scaries are real for this one.
AUS–MIA flights arrived on time 87% of the time on Tuesdays. On Sundays: 72%.
Delta Air Lines has a clear lead on this route.
Delta Air Lines arrived on time 89% of the time on this route; Southwest Airlines managed 70%.
Slipping a little lately.
AUS–MIA flights arrived on time 81% of the time over the last three months in the data, compared with 84% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon82%(292 flights)
- Tue87%(289 flights)
- Wed78%(284 flights)
- Thu81%(314 flights)
- Fri79%(297 flights)
- Sat75%(295 flights)
- Sun72%(326 flights)
- 3–6 AM93%(359 flights)
- 6–9 AM87%(425 flights)
- 9 AM–12 PM83%(579 flights)
- 12–3 PM66%(187 flights)
- 3–6 PM64%(233 flights)
- 6–9 PM64%(312 flights)
- 9 PM–12 AM—(2 flights)
Jun 77% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 165 |
| July 2025 | 70% | 173 |
| August 2025 | 65% | 155 |
| September 2025 | 82% | 122 |
| October 2025 | 81% | 152 |
| November 2025 | 79% | 162 |
| December 2025 | 82% | 187 |
| January 2026 | 83% | 164 |
| February 2026 | 86% | 181 |
| March 2026 | 74% | 214 |
| April 2026 | 85% | 208 |
| May 2026 | 83% | 214 |
Same trip, other airports
Keep nerding
Based on 2,131 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.