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UA 4239 Houston to Harlingen Flight Status

United Airlines Flight UA4239 from Houston George Bush Intercontinental Airport IAH to Harlingen Valley International Airport HRL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on September 18th, 2025.
Check the table below for UA4239's most recent flight history:

UA 4239 Flight Status & Schedule

Date Departure Arrival Status
Sep 18 09:44 10:30
Landed
Track >
Sep 11 09:37 10:30
Landed
Track >
Sep 04 09:54 10:43
Landed
Track >
Aug 28 09:34 10:22
Landed
Track >
Aug 21 09:36 10:25
Landed
Track >

United Airlines UA 4239 Houston to Harlingen Flight Information

United Airlines Flight UA4239 connects Houston, United States to Harlingen, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Harlingen Valley International Airport HRL.

How long is the UA4239 flight from Houston to Harlingen?

The average flight time from Houston to Harlingen is 49 minutes. The flight distance is 475 km / 295 miles and the average flight speed is 583 km/h / 362 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4239 Houston to Harlingen?

The Airportia On-Time Performance Rating for United Airlines Flight UA4239 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA4239 flight?

The latest flight took off on Thursday, September 18th, 2025 with the flight status being Landed on 10:30.

How else can the flight UA4239 be referenced as?

This United Airlines flight can also be referenced as UAL4239, UA 4239, UAL 4239.

How often is flight UA4239 delayed?

On average, 0% of all UA4239 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA4239 flight or baggage issues?

If your UA4239 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our UA4239 Flight Tracker above for more details.

UA4239 and Houston IAH to Harlingen HRL Flights

Flight UA4239 is code-shared by 2 airlines using the flight numbers AC4584, NZ2433

Other flights departing from Houston IAH: UA1102, UA6021, UA6153, UA6314

Other flights arriving at Harlingen HRL: WN786, WN2905, WN3644, WN4526

All flights connecting Houston IAH to Harlingen HRL.

UA4239 United Airlines Flight: Houston to Harlingen Route Map

UA4239 United Airlines Flight Map: Houston to Harlingen
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.