UA 4840 Houston to Mobile Flight Status

United Airlines Flight UA4840 from Houston George Bush Intercontinental Airport IAH to Mobile Regional Airport MOB is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on August 10th, 2025.
Check the table below for UA4840's most recent flight history:

UA 4840 Flight Status & Schedule

Date Departure Arrival Status
Aug 10 17:45 18:46
Landed
Track >
Aug 03 17:29 18:32
Landed
Track >
Jul 27 17:30 18:33
Landed
Track >
Jul 20 17:49 18:57
Landed
Track >
Jul 13 18:34 19:35
Landed Late
Track >

United Airlines UA 4840 Houston to Mobile Flight Information

United Airlines Flight UA4840 connects Houston, United States to Mobile, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Mobile Regional Airport MOB.

How long is the UA4840 flight from Houston to Mobile?

The average flight time from Houston to Mobile is 1 hour and 3 minutes. The flight distance is 686 km / 426 miles and the average flight speed is 648 km/h / 403 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4840 Houston to Mobile?

The Airportia On-Time Performance Rating for United Airlines Flight UA4840 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA4840 flight?

The latest flight took off on Sunday, August 10th, 2025 with the flight status being Landed on 18:46.

How else can the flight UA4840 be referenced as?

This United Airlines flight can also be referenced as UAL4840, UA 4840, UAL 4840.

How often is flight UA4840 delayed?

On average, 43% of all UA4840 flights are delayed. The average delay is 35 minutes.

Can I get compensation for my delayed or cancelled UA4840 flight or baggage issues?

If your UA4840 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 UA4840 Flight Tracker above for more details.

UA4840 and Houston IAH to Mobile MOB Flights

Flight UA4840 is code-shared by 2 airlines using the flight numbers CM1607, AC3262

Other flights departing from Houston IAH: UA1979, UA2861, UA6117, UA2657

Other flights arriving at Mobile MOB: UA4328, DL3537

All flights connecting Houston IAH to Mobile MOB.

UA4840 United Airlines Flight: Houston to Mobile Route Map

UA4840 United Airlines Flight Map: Houston to Mobile
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.