UA 5129 Sioux City to Denver Flight Status

United Airlines Flight UA5129 from Sioux Gateway Airport SUX to Denver International Airport DEN is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on July 31st, 2025.
Check the table below for UA5129's most recent flight history:

UA 5129 Flight Status & Schedule

Date Departure Arrival Status
Jul 31 21:17 21:37
Delayed
Track >
Jul 30 18:53 19:36
Scheduled
Track >
Jul 29 19:31 20:08
Landed Late
Track >
Jul 28 19:16 19:34
Landed
Track >
Jul 27 18:53 19:36
Scheduled
Track >

United Airlines UA 5129 Sioux City to Denver Flight Information

United Airlines Flight UA5129 connects Sioux City, United States to Denver, United States, taking off from Sioux Gateway Airport SUX and landing at Denver International Airport DEN.

How long is the UA5129 flight from Sioux City to Denver?

The average flight time from Sioux City to Denver is 1 hour and 25 minutes. The flight distance is 749 km / 465 miles and the average flight speed is 494 km/h / 307 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA5129 Sioux City to Denver?

The Airportia On-Time Performance Rating for United Airlines Flight UA5129 is 4.4/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA5129 flight?

The latest flight took off on Friday, August 1st, 2025 with the flight status being En-Route on 21:37.

How else can the flight UA5129 be referenced as?

This United Airlines flight can also be referenced as UAL5129, UA 5129, UAL 5129.

How often is flight UA5129 delayed?

On average, 40% of all UA5129 flights are delayed. The average delay is 93 minutes.

Can I get compensation for my delayed or cancelled UA5129 flight or baggage issues?

If your UA5129 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 UA5129 Flight Tracker above for more details.

UA5129 and Sioux City SUX to Denver DEN Flights

Other flights departing from Sioux City SUX: UA3280

Other flights arriving at Denver DEN: UA5589, G43181, UA1943, KG616

All flights connecting Sioux City SUX to Denver DEN.

UA5129 United Airlines Flight: Sioux City to Denver Route Map

UA5129 United Airlines Flight Map: Sioux City to Denver
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.