Flights San Juan → Houston
SJU → IAH
Route overview
The flight route from San Juan to Houston is served by a Boeing 737-800 aircraft and boasts a high on-time performance rate of 90%, with an average delay of just 1.9 minutes. This popular connection handles a total of 203 flights, linking the bustling destination airport which sees over 40 million 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) → Houston (IAH) route is operated by United Airlines. Across 278 flights monitored in recent months, 87% arrived on time (within 15 min of schedule), with an average delay of 6 minutes. The cancellation rate is 1.08%. FlightGuard's average computed risk is 16.2/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Houston 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 Houston: what to expect in this direction
Flying from San Juan (SJU) to Houston (IAH) heads north-west for about 3,228 km, a flight time of roughly 4h 27m.
Departures from San Juan on this leg cluster in the overnight window: about 43% of SJU-IAH flights take off then.
Air-traffic congestion: departing San Juan the average ATFM delay is 2.0 min (atfm); arriving into Houston it is 2.0 min (atfm).
Across 278 tracked SJU-IAH flights, 87% left on time with an average delay of 6 min and a 1.1% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
Airlines operating SJU-IAH
Airports
Frequently asked questions about SJU-IAH
On the San Juan (SJU) -> Houston (IAH) route, on-time performance is 87% with an average delay of 6 minutes, based on 278 tracked flights.
The cancellation rate on San Juan-Houston is 1.08% across 278 monitored flights.
The route is operated by 1 airline: United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Houston, 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.
