Route · DTW → SAT · 2020–2025 BTS data
Detroit to San Antonio
The DTW–SAT corridor (Detroit, MI → San Antonio, TX) runs ahead of the national average, served by 7 carriers across roughly 1,214 miles.
Data updated 2026-06-13
- 82.9%
- On-time
- +3.9 pts
- vs US avg
- 66 min
- Delay when late
- 4,680
- Flights
Cancelled
0.7%
Best Month
Oct 2024 93%
Worst Month
Jul 2024 66%
Distance
1,214 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 86 | 24 | 0 | 0 | DL |
| Nov 2025 | 83 | 15 | 0 | 0 | DL |
| Oct 2025 | 83 | 8 | 0 | 0 | DL |
| Sep 2025 | 82 | 12 | 0 | 0 | DL |
| Aug 2025 | 97 | 11 | 0 | 0 | NK,DL |
| Jul 2025 | 92 | 22 | 2 | 0 | DL,NK |
| Jun 2025 | 93 | 16 | 1 | 0 | DL,NK |
| May 2025 | 94 | 26 | 0 | 2 | DL,NK |
| Apr 2025 | 75 | 11 | 0 | 0 | DL |
| Mar 2025 | 62 | 15 | 0 | 0 | DL |
| Feb 2025 | 56 | 9 | 0 | 0 | DL |
| Jan 2025 | 62 | 14 | 1 | 0 | DL |
| Dec 2024 | 86 | 23 | 0 | 0 | DL |
| Nov 2024 | 70 | 8 | 0 | 0 | DL |
| Oct 2024 | 84 | 6 | 0 | 0 | DL |
| Sep 2024 | 82 | 15 | 0 | 0 | DL |
| Aug 2024 | 79 | 15 | 0 | 0 | DL |
| Jul 2024 | 85 | 29 | 7 | 0 | DL |
| Jun 2024 | 82 | 13 | 0 | 0 | DL |
| May 2024 | 79 | 25 | 0 | 0 | DL |
| Apr 2024 | 73 | 14 | 0 | 0 | DL |
| Mar 2024 | 62 | 7 | 0 | 1 | DL |
| Feb 2024 | 58 | 8 | 0 | 0 | DL |
| Jan 2024 | 62 | 15 | 2 | 0 | DL |
Cancellation Rate
0.7%
13 of 1,867 flights
Diversion Rate
0.2%
3 of 1,867 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DTW - Detroit
Full on-time, delay-cause, and seasonal performance for Detroit, MI.
Origin airport →SAT - San Antonio
Full on-time, delay-cause, and seasonal performance for San Antonio, TX.
Destination airport →Compare the two airports
See DTW 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 DTW–SAT.
Routes with a similar on-time rate
What the Data Says About DTW to SAT
Bureau of Transportation Statistics records show Detroit to San Antonio (DTW to SAT) running a 82.9% on-time rate over 4,680 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 65.7 minutes. The 1,214-mile corridor is served by 7 carriers, and over the last 24 months 0.7% of 1,867 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 93% on-time, while Jul 2024 came in at just 66% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from DTW to SAT? ▼
What is the cancellation rate for DTW to SAT? ▼
How far is the flight from DTW to SAT? ▼
When is the best time to fly from DTW to SAT? ▼
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.