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UA 4323 Houston to McAllen Flight Status

United Airlines Flight UA4323 from Houston George Bush Intercontinental Airport IAH to McAllen Miller International Airport MFE is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on January 5th, 2026.
Check the table below for UA4323's most recent flight history:

UA 4323 Flight Status & Schedule

Date Departure Arrival Status
Jan 05 10:29 11:38
Landed
Track >
Jan 04 10:17 11:10
Landed
Track >
Jan 03 10:38 11:34
Landed
Track >
Jan 02 10:24 11:18
Landed
Track >
Jan 01 10:21 11:15
Landed
Track >

United Airlines UA 4323 Houston to McAllen Flight Information

United Airlines Flight UA4323 connects Houston, United States to McAllen, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at McAllen Miller International Airport MFE.

How long is the UA4323 flight from Houston to McAllen?

The average flight time from Houston to McAllen is 56 minutes. The flight distance is 510 km / 317 miles and the average flight speed is 550 km/h / 342 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4323 Houston to McAllen?

The Airportia On-Time Performance Rating for United Airlines Flight UA4323 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA4323 flight?

The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 11:38.

How else can the flight UA4323 be referenced as?

This United Airlines flight can also be referenced as UAL4323, UA 4323, UAL 4323.

How often is flight UA4323 delayed?

On average, 10% of all UA4323 flights are delayed. The average delay is 6 minutes.

Can I get compensation for my delayed or cancelled UA4323 flight or baggage issues?

If your UA4323 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 UA4323 Flight Tracker above for more details.

United Airlines UA4323 News

UA4323 and Houston IAH to McAllen MFE Flights

Flight UA4323 is code-shared by 2 airlines using the flight numbers AC3866, NZ6316

Other flights departing from Houston IAH: UA5476, UA5468, NK2241, 8C3333

Other flights arriving at McAllen MFE: UA4300, AA4128, UA4305, UA4310

All flights connecting Houston IAH to McAllen MFE.

UA4323 United Airlines Flight: Houston to McAllen Route Map

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.