San Juan (SJU) to Detroit (DTW) flights
Delta Air Lines flies nonstop from Luis Munoz Marin International Airport to Detroit Metropolitan Wayne County Airport, with about 7 flights a week in July 2026. The 1,930-mile flight takes about 4h 38m gate to gate.
- Distance
- 1,930 mi · 3,106 km
- Flight time
- 4h 38m
- Airlines
- 1
- Seats filled
- 89%
Airlines flying SJU to DTW
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 7 | Boeing 737-900ER, Boeing 737-800 | 51,776 | 4h 38m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 5,180 | 4h 39m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SJU to DTW flight schedule
1 flight numbers flew this route in August 2026. The first usually leaves at 2:32pm and the last at 2:32pm. 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 1913Delta Air Lines | 2:32pm | 7:15pm | 12 | 86% |
Is SJU to DTW on time?
From September 2025 to August 2026, 85% of 331 flights arrived within 15 minutes of schedule and 1.8% were cancelled. Flights leaving around 2pm were the most punctual (89%), those around 4pm the least (63%). Most delay time was caused by late-arriving aircraft (73%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 321 | 84% | 8 min | 1.9% |
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 |
|---|---|---|---|
| 2pm to 3pm | 195 | 89% | |
| 3pm to 4pm | 118 | 80% | |
| 4pm to 5pm | 18 | 63% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 38 | 6,065 | |
| September 2025 | 20 | 3,275 | |
| October 2025 | 13 | 2,028 | |
| November 2025 | 26 | 4,010 | |
| December 2025 | 43 | 6,139 | |
| January 2026 | 34 | 5,664 | |
| February 2026 | 28 | 4,576 | |
| March 2026 | 30 | 5,031 | |
| April 2026 | 30 | 5,087 | |
| May 2026 | 31 | 5,059 | |
| June 2026 | 30 | 4,848 | |
| July 2026 | 30 | 5,174 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.