UA 4020 Houston to Oklahoma City Flight Status

United Airlines Flight UA4020 from Houston George Bush Intercontinental Airport IAH to Oklahoma City Will Rogers World Airport OKC is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 24th, 2025.
Check the table below for UA4020's most recent flight history:

UA 4020 Flight Status & Schedule

Date Departure Arrival Status
Oct 24 16:33 17:37
Landed
Track >
Oct 23 17:01 18:04
Landed
Track >
Oct 22 16:38 17:44
Landed
Track >
Oct 21 16:55 17:56
Landed
Track >
Oct 20 16:48 17:47
Landed
Track >

United Airlines UA 4020 Houston to Oklahoma City Flight Information

United Airlines Flight UA4020 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 UA4020 flight from Houston to Oklahoma City?

The average flight time from Houston to Oklahoma City is 1 hour and 2 minutes. The flight distance is 637 km / 396 miles and the average flight speed is 610 km/h / 379 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4020 Houston to Oklahoma City?

The Airportia On-Time Performance Rating for United Airlines Flight UA4020 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA4020 flight?

The latest flight took off on Friday, October 24th, 2025 with the flight status being Landed on 17:37.

How else can the flight UA4020 be referenced as?

This United Airlines flight can also be referenced as UAL4020, UA 4020, UAL 4020.

How often is flight UA4020 delayed?

On average, 10% of all UA4020 flights are delayed. The average delay is 7 minutes.

Can I get compensation for my delayed or cancelled UA4020 flight or baggage issues?

If your UA4020 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 UA4020 Flight Tracker above for more details.

UA4020 and Houston IAH to Oklahoma City OKC Flights

Flight UA4020 is code-shared by 3 airlines using the flight numbers CM1635, LH8673, NZ6803

Other flights departing from Houston IAH: UA774, UA6198, UA6252, NK1982

Other flights arriving at Oklahoma City OKC: WN3588, WN1073, AA6218, AA3283

All flights connecting Houston IAH to Oklahoma City OKC.

UA4020 United Airlines Flight: Houston to Oklahoma City Route Map

UA4020 United Airlines Flight Map: Houston to Oklahoma City
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.