Flights Harlingen → Houston
HRL → IAH
Route overview
The flight route from Harlingen to Houston demonstrates high punctuality with 90% of flights arriving on time, and the average delay is only 1.7 minutes. Over a period, there were 343 total flights along this route serving one of the busiest airports in terms of annual passenger traffic, which sees approximately 40,979,422 passengers per year.
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 Harlingen (HRL) → Houston (IAH) route is operated by United Airlines. Across 467 flights monitored in recent months, 89% arrived on time (within 15 min of schedule), with an average delay of 7 minutes. The cancellation rate is 2.78%. FlightGuard's average computed risk is 21.3/100 (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 Harlingen the average ATFM delay is 3.3 minutes.
Heading to Houston: what to expect in this direction
Flying from Harlingen (HRL) to Houston (IAH) heads north-east for about 475 km, a flight time of roughly 1h 1m.
Departures from Harlingen on this leg cluster in the morning window: about 51% of HRL-IAH flights take off then.
Air-traffic congestion: departing Harlingen the average ATFM delay is 3.3 min (airspace/NAS (BTS)); arriving into Houston it is 2.0 min (atfm).
Across 467 tracked HRL-IAH flights, 89% left on time with an average delay of 7 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) | 74% | 10 min | 6.9% |
Airlines operating HRL-IAH
Airports
Frequently asked questions about HRL-IAH
On the Harlingen (HRL) -> Houston (IAH) route, on-time performance is 89% with an average delay of 7 minutes, based on 467 tracked flights.
The cancellation rate on Harlingen-Houston is 2.78% across 467 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.
