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UA 3991 Houston to Charleston Flight Status

United Airlines Flight UA3991 from Houston George Bush Intercontinental Airport IAH to Charleston International Airport CHS is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on October 25th, 2025.
Check the table below for UA3991's most recent flight history:

UA 3991 Flight Status & Schedule

Date Departure Arrival Status
Oct 25 13:06 16:06
Landed
Track >
Oct 24 13:08 16:15
Landed
Track >
Oct 23 13:05 16:00
Landed
Track >
Oct 22 13:02 15:58
Landed
Track >
Oct 21 13:51 16:47
Landed
Track >

United Airlines UA 3991 Houston to Charleston Flight Information

United Airlines Flight UA3991 connects Houston, United States to Charleston, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Charleston International Airport CHS.

How long is the UA3991 flight from Houston to Charleston?

The average flight time from Houston to Charleston is 1 hour and 59 minutes. The flight distance is 1486 km / 923 miles and the average flight speed is 707 km/h / 440 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA3991 Houston to Charleston?

The Airportia On-Time Performance Rating for United Airlines Flight UA3991 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA3991 arriving at?

Flight UA3991 arrives at Charleston International Airport (CHS) Terminal 5.

When was the latest UA3991 flight?

The latest flight took off on Saturday, October 25th, 2025 with the flight status being Landed on 16:06.

How else can the flight UA3991 be referenced as?

This United Airlines flight can also be referenced as UAL3991, UA 3991, UAL 3991.

How often is flight UA3991 delayed?

On average, 10% of all UA3991 flights are delayed. The average delay is 8 minutes.

Can I get compensation for my delayed or cancelled UA3991 flight or baggage issues?

If your UA3991 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 UA3991 Flight Tracker above for more details.

UA3991 and Houston IAH to Charleston CHS Flights

Flight UA3991 is code-shared by 1 airline using the flight number NZ6994

Other flights departing from Houston IAH: AA5050, UA1318, AA796, UA291

Other flights arriving at Charleston CHS: DL3714, AA4516, WN1035, WN1501

All flights connecting Houston IAH to Charleston CHS.

UA3991 United Airlines Flight: Houston to Charleston Route Map

UA3991 United Airlines Flight Map: Houston to Charleston
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.