IAH → HRLHouston to Harlingen

live

Direct flights from Houston (IAH) to Harlingen (HRL): 7 nonstop departures observed each week across 1 airline. 91% of the last 23 operated flights arrived within 15 minutes of schedule. The median arrival is 5 minutes early. No cancellations were recorded across the 23 tracked flights. The nonstop covers 475 km, an estimated 1 hour 7 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and Harlingen. Updated 17 August 2026 at 23:53 UTC.

IAH Houston smooth · +0
HRL Harlingen tracking
475 km · ~1h 07m est.
dep bank 12:11–20:357x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
91% on time

of the last 23 operated IAH → HRL flights arrived within 15 minutes

Median arrival delay is −5 min. 0 of 23 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Search live fares for this route →
Median arrival−5 minacross the last 23 operated legs
Flight time~1h 07mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 23

Current nonstop fares

IAH → HRL · one way · economy · 1 adult

loading
TodayChecking…Direct airline fares
TomorrowChecking…Direct airline fares
In one weekChecking…Direct airline fares

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
United Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
United AirlinesUA91% on time

Flights UA4287 varies daily · UA4344 14:40 daily · UA6168 18:30 Mo Tu Th Fr Sa Su · UA4919 20:35 daily

History

operated legs · board outcomes
08-17UA4287departed−11
08-17UA4344departed+0
08-16UA4287departed−7
08-16UA4344departed−10
08-16UA4919departed−9
08-15UA4287departed−6
08-15UA4344departed−8
08-15UA4919departed+3
08-14UA4287departed−7
08-14UA4344departed−1
08-14UA4919departed+10
08-13UA4287departed−8
08-13UA4344departed−4
08-13UA4919departed+17
08-12UA4287departed−5
08-12UA4344departed−7
08-12UA4919departed+9
08-11UA4287departed−7
08-11UA4344departed−2
08-11UA4919departed+34
08-10UA4287departed−9
08-10UA4919departed+8
08-10UA6168departed+0

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
IAHHouston +0 min smooth 🌤 clear · NNW 4 kt Full IAH delay board →
HRLHarlingen tracking Full HRL delay board →

How the Houston to Harlingen route actually runs

Pro Flight Search tracks every published board update for nonstop IAH to HRL flights: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises. Fares link straight to the operating airline with no markups.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Houston (IAH) to Harlingen (HRL) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/IAH-HRL
How we measure this →

IAH to HRL questions

Is IAH–HRL running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on IAH–HRL?

Operators schedule evening departures around 18:30 from IAH. Earlier flights typically land before destination-airport delays accumulate later in the day; check the HRL delay card to confirm conditions when you'd arrive.

How long is the flight from IAH to HRL?

Great-circle distance is 475 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 64–71 min gate-to-gate on this route.

How often does IAH–HRL fly?

United Airlines runs the route with about 27 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.