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UA3999 Flight Status United Airlines: Houston to Oklahoma City (UAL3999)

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UA 3999 Houston to Oklahoma City Flight Status

United Airlines Flight UA3999 from Houston George Bush Intercontinental Airport IAH to Oklahoma City Will Rogers World Airport OKC is not scheduled for today June 5th, 2026.
The last time the flight was scheduled was on March 24th, 2026.
Check the table below for UA3999's most recent flight history:

UA 3999 Flight Status & Schedule

Date Departure Arrival Status
Mar 24 14:39 15:56
Landed
 Track >
Mar 17 14:45 15:54
Landed
 Track >
Mar 10 14:24 15:24
Landed
 Track >
< All IAH Departures All OKC Arrivals >

United Airlines UA 3999 Houston to Oklahoma City Flight Information

United Airlines Flight UA3999 connects Houston, United States to Oklahoma City, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Oklahoma City Will Rogers World Airport OKC.

How long is the UA3999 flight from Houston to Oklahoma City?

The average flight time from Houston to Oklahoma City is 1 hour and 8 minutes. The flight distance is 637 km / 396 miles and the average flight speed is 563 km/h / 350 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA3999 Houston to Oklahoma City?

The Airportia On-Time Performance Rating for United Airlines Flight UA3999 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA3999 flight?

The latest flight took off on Tuesday, March 24th, 2026 with the flight status being Landed on 15:56.

How else can the flight UA3999 be referenced as?

This United Airlines flight can also be referenced as UAL3999, UA 3999, UAL 3999.

How often is flight UA3999 delayed?

On average, 0% of all UA3999 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA3999 flight or baggage issues?

If your UA3999 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 UA3999 Flight Tracker above for more details.

UA3999 and Houston IAH to Oklahoma City OKC Flights

Flight UA3999 is code-shared by 2 airlines using the flight numbers CM1636, NZ6802

Other flights departing from Houston IAH: UA1327, UA4933, UA5852, UA1114

Other flights arriving at Oklahoma City OKC: AA5374, UA5600, JL624, AA2990

All flights connecting Houston IAH to Oklahoma City OKC.

UA3999 United Airlines Flight: Houston to Oklahoma City Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: VB2790 AZ9997 YS121 3E573 SM173 IR3326 AA237 MW4038 KJ6902 U69006
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.