Detroit (DTW) to San Diego (SAN) flights
Delta Air Lines flies nonstop from Detroit Metropolitan Wayne County Airport to San Diego International Airport, with about 24 flights a week in July 2026. The 1,956-mile flight takes about 4h 47m gate to gate.
- Distance
- 1,956 mi · 3,148 km
- Flight time
- 4h 47m
- Airlines
- 1
- Seats filled
- 81%
Airlines flying DTW to SAN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 24 | Airbus A321, Boeing 757-200, Boeing 737-900ER | 191,118 | 4h 47m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A320-100/200, Airbus A320neo, Airbus A321 | 3,994 | 4h 33m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DTW to SAN flight schedule
4 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 8:35am and the last at 8:35pm. 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 492Delta Air Lines | 8:35am | 10:20am | 31 | 83% |
| DL 2155Delta Air Lines | 12:31pm | 2:10pm | 31 | 67% |
| DL 369Delta Air Lines | 4:35pm | 6:14pm | 31 | 72% |
| DL 700Delta Air Lines | 8:35pm | 10:16pm | 17 | 61% |
Is DTW to SAN on time?
From September 2025 to August 2026, 74% of 1,269 flights arrived within 15 minutes of schedule and 0.9% were cancelled. Flights leaving around 8am were the most punctual (83%), those around 8pm the least (60%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (40%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,250 | 73% | 18 min | 0.8% |
| Spirit Airlines | 19 | 88% | 5 min | 5.3% |
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 | 365 | 83% | |
| 12pm to 1pm | 260 | 74% | |
| 3pm to 4pm | 31 | 84% | |
| 4pm to 5pm | 329 | 71% | |
| 8pm to 9pm | 240 | 60% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 130 | 20,816 | |
| September 2025 | 114 | 17,129 | |
| October 2025 | 118 | 18,882 | |
| November 2025 | 106 | 15,561 | |
| December 2025 | 109 | 15,679 | |
| January 2026 | 91 | 12,360 | |
| February 2026 | 83 | 12,247 | |
| March 2026 | 90 | 13,832 | |
| April 2026 | 106 | 14,809 | |
| May 2026 | 111 | 16,966 | |
| June 2026 | 105 | 17,966 | |
| July 2026 | 108 | 18,865 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.