Flights San Juan → Detroit
SJU → DTW
Route overview
The flight route from San Juan to Detroit operates with an average on-time performance of 84%, with flights typically experiencing a mean delay of 4.9 minutes. Over the course of a year, this route sees 89 total flights using Airbus A320 aircraft, serving a destination airport that handles approximately 28,160,572 passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The San Juan (SJU) → Detroit (DTW) route is operated by Delta Air Lines. Across 123 flights monitored in recent months, 83% arrived on time (within 15 min of schedule), with an average delay of 6 minutes. The cancellation rate is 0.81%. FlightGuard's average computed risk is 19/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Detroit the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from San Juan the average ATFM delay is 2.0 minutes.
Heading to Detroit: what to expect in this direction
Flying from San Juan (SJU) to Detroit (DTW) heads north-west for about 3,111 km, a flight time of roughly 4h 19m.
Departures from San Juan on this leg cluster in the midday window: about 53% of SJU-DTW flights take off then.
Air-traffic congestion: departing San Juan the average ATFM delay is 2.0 min (atfm); arriving into Detroit it is 2.0 min (atfm).
Across 123 tracked SJU-DTW flights, 83% left on time with an average delay of 6 min and a 0.8% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Delta Air Lines (DL) | 80% | 8 min | 1.8% |
Airlines operating SJU-DTW
Airports
Frequently asked questions about SJU-DTW
On the San Juan (SJU) -> Detroit (DTW) route, on-time performance is 83% with an average delay of 6 minutes, based on 123 tracked flights.
The cancellation rate on San Juan-Detroit is 0.81% across 123 monitored flights.
The route is operated by 1 airline: Delta Air Lines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Detroit, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
