Detroit (DTW) to San Antonio (SAT) flights
Delta Air Lines flies nonstop from Detroit Metropolitan Wayne County Airport to San Antonio International Airport, with about 19 flights a week in July 2026. The 1,214-mile flight takes about 3h 11m gate to gate.
- Distance
- 1,214 mi · 1,954 km
- Flight time
- 3h 11m
- Airlines
- 1
- Seats filled
- 74%
Airlines flying DTW to SAT
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 19 | Airbus A319, Airbus A320-100/200, Airbus A321 | 92,316 | 3h 11m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DTW to SAT flight schedule
3 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 8:25am and the last at 8:30pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| DL 788Delta Air Lines | 8:25am | 10:34am | 26 | 88% |
| DL 2458Delta Air Lines | 1:45pm | 3:54pm | 30 | 81% |
| DL 1365Delta Air Lines | 8:30pm | 10:34pm | 31 | 71% |
Is DTW to SAT on time?
From September 2025 to August 2026, 80% of 934 flights arrived within 15 minutes of schedule and 0.7% were cancelled. Flights leaving around 8am were the most punctual (87%), those around 8pm the least (70%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (57%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 934 | 80% | 12 min | 0.7% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 8am to 9am | 311 | 87% | |
| 10am to 11am | 28 | 96% | |
| 12pm to 1pm | 25 | 80% | |
| 1pm to 2pm | 200 | 84% | |
| 8pm to 9pm | 320 | 70% | |
| 9pm to 10pm | 35 | 71% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 97 | 8,613 | |
| September 2025 | 83 | 7,703 | |
| October 2025 | 83 | 8,627 | |
| November 2025 | 84 | 7,516 | |
| December 2025 | 86 | 8,528 | |
| January 2026 | 63 | 5,557 | |
| February 2026 | 56 | 5,697 | |
| March 2026 | 61 | 6,596 | |
| April 2026 | 77 | 7,868 | |
| May 2026 | 83 | 8,563 | |
| June 2026 | 81 | 8,948 | |
| July 2026 | 83 | 9,239 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.