Flights San Diego → Houston
SAN → IAH
How long is the flight from San Diego to Houston?
The flight from San Diego (SAN) to Houston (IAH) takes 2h 34m on average. That is the median time recorded across 2 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from San Diego to Houston features a high on-time performance rate of 90%, with an average delay of just 5.4 minutes per flight. Over the past year, this route has seen 421 flights operated by various Boeing and Airbus aircraft models, serving one of the busiest airports in terms of annual passenger traffic at the destination city.
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 Diego (SAN) → Houston (IAH) route is operated by United Airlines. Across 1025 flights monitored in recent months, 85% arrived on time (within 15 min of schedule), with an average delay of 10 minutes. The cancellation rate is 2.83%. FlightGuard's average computed risk is 27.4/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Houston the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from San Diego the average ATFM delay is 5.5 minutes.
Heading to Houston: what to expect in this direction
Flying from San Diego (SAN) to Houston (IAH) heads east for about 2,093 km, a flight time of roughly 2h 34m.
Departures from San Diego on this leg cluster in the overnight window: about 62% of SAN-IAH flights take off then.
Air-traffic congestion: departing San Diego the average ATFM delay is 5.5 min (atfm); arriving into Houston it is 5.5 min (atfm).
Across 1,025 tracked SAN-IAH flights, 85% left on time with an average delay of 10 min and a 2.8% 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) | 83% | 5 min | 1.3% |
Airlines operating SAN-IAH
Airports
Frequently asked questions about SAN-IAH
The flight from San Diego (SAN) to Houston (IAH) takes 2h 34m on average. That is the median time recorded across 2 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the San Diego (SAN) -> Houston (IAH) route, on-time performance is 85% with an average delay of 10 minutes, based on 1025 tracked flights.
The cancellation rate on San Diego-Houston is 2.83% across 1025 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.
