UA8128 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA8128, which currently operates between the airports of Denver - Denver International Airport (Airport Code DEN) and Ontario - Ontario International Airport (Airport Code ONT).
This flight data pertains specifically to the flight's details for Monday, September 14, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA8128
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights UA8128
UA8128 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
UA8128 United Airlines from Denver
This flight is not scheduled for September 21, 2026.
This flight is not scheduled for September 21, 2026.
Airline information
United Airlines
Departure
Denver (DEN)
September 14, 2026
Denver International Airport
Arrival
Ontario (ONT)
September 14, 2026
Ontario International Airport
Disclaimer
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Additional Information
Which is the frequency of flight UA8128?
The flight UA8128 is currently not scheduled at Ontario Airport (ONT).
Which is the distance of flight UA8128?
The distance between the two airports is 817 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Denver: 2026-09-22 17:28:22
Current Time in Ontario: 2026-09-22 16:28:22
The flight UA8128 is currently not scheduled at Ontario Airport (ONT).
Which is the distance of flight UA8128?
The distance between the two airports is 817 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Denver: 2026-09-22 17:28:22
Current Time in Ontario: 2026-09-22 16:28:22
Alternative Flights
The following airlines serves the same route between Denver and Ontario:
UPS
- Flight Number: 5X2805. (On Time performance: 96 - Average Delay: 3 minutes)
- Flight Number: 5X805. (On Time performance: 79 - Average Delay: 15 minutes)
- Flight Number: 5X9802. (On Time performance: 78 - Average Delay: 8 minutes)
Frontier Airlines
- Flight Number: F91261. (On Time performance: 60 - Average Delay: 25 minutes)
- Flight Number: F92907. (On Time performance: 95 - Average Delay: 2 minutes)
United Airlines
- Flight Number: UA2028. (On Time performance: 51 - Average Delay: 43 minutes)
- Flight Number: UA430. (On Time performance: 88 - Average Delay: 8 minutes)
Southwest Airlines
- Flight Number: WN1596. (On Time performance: 86 - Average Delay: 7 minutes)
- Flight Number: WN1598. (On Time performance: 29 - Average Delay: 47 minutes)
- Flight Number: WN2050. (On Time performance: 78 - Average Delay: 10 minutes)
- Flight Number: WN3265. (On Time performance: 60 - Average Delay: 27 minutes)
- Flight Number: WN3959. (On Time performance: 50 - Average Delay: 21 minutes)
- Flight Number: WN4341. (On Time performance: 50 - Average Delay: 69 minutes)
- Flight Number: WN4773. (On Time performance: 33 - Average Delay: 74 minutes)
- Flight Number: WN4794. (On Time performance: 79 - Average Delay: 9 minutes)
UPS
- Flight Number: 5X2805. (On Time performance: 96 - Average Delay: 3 minutes)
- Flight Number: 5X805. (On Time performance: 79 - Average Delay: 15 minutes)
- Flight Number: 5X9802. (On Time performance: 78 - Average Delay: 8 minutes)
Frontier Airlines
- Flight Number: F91261. (On Time performance: 60 - Average Delay: 25 minutes)
- Flight Number: F92907. (On Time performance: 95 - Average Delay: 2 minutes)
United Airlines
- Flight Number: UA2028. (On Time performance: 51 - Average Delay: 43 minutes)
- Flight Number: UA430. (On Time performance: 88 - Average Delay: 8 minutes)
Southwest Airlines
- Flight Number: WN1596. (On Time performance: 86 - Average Delay: 7 minutes)
- Flight Number: WN1598. (On Time performance: 29 - Average Delay: 47 minutes)
- Flight Number: WN2050. (On Time performance: 78 - Average Delay: 10 minutes)
- Flight Number: WN3265. (On Time performance: 60 - Average Delay: 27 minutes)
- Flight Number: WN3959. (On Time performance: 50 - Average Delay: 21 minutes)
- Flight Number: WN4341. (On Time performance: 50 - Average Delay: 69 minutes)
- Flight Number: WN4773. (On Time performance: 33 - Average Delay: 74 minutes)
- Flight Number: WN4794. (On Time performance: 79 - Average Delay: 9 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights UA8128
Date
Departure
Arrival
Duration
Aircraft
Status
Monday
14 September
14 September
07:52 pm
Denver (DEN)
Denver (DEN)
08:48 pm
Ontario (ONT)
Ontario (ONT)
01h 56min
Boeing 737-800
Boeing 737-800
Landed - On-time