Route · MIA → SAT · 2020–2025 BTS data
Miami to San Antonio
The MIA–SAT corridor (Miami, FL → San Antonio, TX) runs behind the national average, served by 5 carriers across roughly 1,143 miles.
Data updated 2026-06-13
- 71.2%
- On-time
- -7.8 pts
- vs US avg
- 73 min
- Delay when late
- 2,396
- Flights
Cancelled
1.9%
Best Month
Oct 2024 84%
Worst Month
Mar 2024 58%
Distance
1,143 mi
Carriers
5
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 39 | 9 | 0 | 1 | AA,MQ |
| Nov 2025 | 33 | 9 | 0 | 0 | AA |
| Oct 2025 | 49 | 9 | 0 | 0 | AA,MQ |
| Sep 2025 | 30 | 6 | 0 | 0 | AA |
| Aug 2025 | 36 | 16 | 1 | 0 | AA,MQ |
| Jul 2025 | 58 | 20 | 2 | 1 | AA,MQ |
| Jun 2025 | 34 | 17 | 1 | 1 | AA,MQ |
| May 2025 | 62 | 16 | 1 | 1 | AA,MQ |
| Apr 2025 | 60 | 12 | 1 | 0 | MQ,AA |
| Mar 2025 | 70 | 25 | 2 | 0 | AA,MQ,NK |
| Feb 2025 | 44 | 12 | 0 | 0 | AA,MQ |
| Jan 2025 | 31 | 8 | 1 | 0 | AA |
| Dec 2024 | 45 | 17 | 1 | 0 | AA,MQ |
| Nov 2024 | 43 | 5 | 0 | 1 | MQ,AA |
| Oct 2024 | 56 | 9 | 2 | 0 | AA |
| Sep 2024 | 30 | 7 | 0 | 0 | AA |
| Aug 2024 | 31 | 14 | 0 | 0 | AA |
| Jul 2024 | 31 | 10 | 1 | 0 | AA |
| Jun 2024 | 30 | 13 | 0 | 0 | AA |
| May 2024 | 31 | 12 | 1 | 0 | AA |
| Apr 2024 | 33 | 17 | 0 | 0 | AA,MQ |
| Mar 2024 | 62 | 26 | 3 | 0 | AA,MQ |
| Feb 2024 | 46 | 15 | 0 | 0 | AA,MQ |
| Jan 2024 | 35 | 15 | 2 | 0 | AA,MQ |
Cancellation Rate
1.9%
19 of 1,019 flights
Diversion Rate
0.5%
5 of 1,019 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
Origin airport →SAT - San Antonio
Full on-time, delay-cause, and seasonal performance for San Antonio, TX.
Destination airport →Compare the two airports
See MIA and SAT side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to MIA–SAT.
Routes with a similar on-time rate
What the Data Says About MIA to SAT
On-time performance on the MIA to SAT pairing (Miami to San Antonio) trails a chunk of the network: 71.2% of 2,396 tracked flights arrived on schedule, with a 73.4-minute average delay on the ones that ran late. The route spans about 1,143 miles across 5 carriers. Cancellations over the trailing 24 months hit 1.9% (19 of 1,019 flights), with 0.5% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 84% on-time, while Mar 2024 came in at just 58% - a 26-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from MIA to SAT? ▼
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Flight Guides
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.