UA440 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA440, which currently operates between the airports of Ontario - Ontario International Airport (Airport Code ONT) and Denver - Denver International Airport (Airport Code DEN).
This flight data pertains specifically to the flight's details for Sunday, July 27, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA440
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA440
UA440 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
UA440 United Airlines to Denver
This flight is not scheduled for July 31, 2025.
This flight is not scheduled for July 31, 2025.
Airline information
United Airlines
Departure
Ontario (ONT)
July 27, 2025
Ontario International Airport
Arrival
Denver (DEN)
July 27, 2025
Denver International Airport
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.ontario-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- AC3779 - Air Canada
Additional Information
Which is the frequency of flight UA440?
The flight UA440 is currently not scheduled at Ontario Airport (ONT).
Which is the distance of flight UA440?
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 Ontario: 2025-07-31 02:02:35
Current Time in Denver: 2025-07-31 03:02:35
The flight UA440 is currently not scheduled at Ontario Airport (ONT).
Which is the distance of flight UA440?
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 Ontario: 2025-07-31 02:02:35
Current Time in Denver: 2025-07-31 03:02:35
Alternative Flights
The following airlines serves the same route between Ontario and Denver:
UPS
- Flight Number: 5X5806. (On Time performance: 47 - Average Delay: 45 minutes)
- Flight Number: 5X806. (On Time performance: 40 - Average Delay: 25 minutes)
Air Transport International
- Flight Number: 8C3324. (On Time performance: 34 - Average Delay: 27 minutes)
Frontier Airlines
- Flight Number: F91500. (On Time performance: 75 - Average Delay: 21 minutes)
- Flight Number: F92908. (On Time performance: 31 - Average Delay: 67 minutes)
United Airlines
- Flight Number: UA1575. (On Time performance: 90 - Average Delay: 7 minutes)
- Flight Number: UA1942. (On Time performance: 46 - Average Delay: 39 minutes)
- Flight Number: UA368. (On Time performance: 63 - Average Delay: 36 minutes)
- Flight Number: UA635. (On Time performance: 45 - Average Delay: 31 minutes)
Southwest Airlines
- Flight Number: WN1177. (On Time performance: 93 - Average Delay: 14 minutes)
- Flight Number: WN1317. (On Time performance: 90 - Average Delay: 6 minutes)
- Flight Number: WN1780. (On Time performance: 80 - Average Delay: 8 minutes)
- Flight Number: WN2494. (On Time performance: 75 - Average Delay: 27 minutes)
- Flight Number: WN3686. (On Time performance: 29 - Average Delay: 42 minutes)
- Flight Number: WN4136. (On Time performance: 24 - Average Delay: 54 minutes)
UPS
- Flight Number: 5X5806. (On Time performance: 47 - Average Delay: 45 minutes)
- Flight Number: 5X806. (On Time performance: 40 - Average Delay: 25 minutes)
Air Transport International
- Flight Number: 8C3324. (On Time performance: 34 - Average Delay: 27 minutes)
Frontier Airlines
- Flight Number: F91500. (On Time performance: 75 - Average Delay: 21 minutes)
- Flight Number: F92908. (On Time performance: 31 - Average Delay: 67 minutes)
United Airlines
- Flight Number: UA1575. (On Time performance: 90 - Average Delay: 7 minutes)
- Flight Number: UA1942. (On Time performance: 46 - Average Delay: 39 minutes)
- Flight Number: UA368. (On Time performance: 63 - Average Delay: 36 minutes)
- Flight Number: UA635. (On Time performance: 45 - Average Delay: 31 minutes)
Southwest Airlines
- Flight Number: WN1177. (On Time performance: 93 - Average Delay: 14 minutes)
- Flight Number: WN1317. (On Time performance: 90 - Average Delay: 6 minutes)
- Flight Number: WN1780. (On Time performance: 80 - Average Delay: 8 minutes)
- Flight Number: WN2494. (On Time performance: 75 - Average Delay: 27 minutes)
- Flight Number: WN3686. (On Time performance: 29 - Average Delay: 42 minutes)
- Flight Number: WN4136. (On Time performance: 24 - Average Delay: 54 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 UA440
Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
27 July
27 July
06:25 pm
Ontario (ONT)
Ontario (ONT)
09:28 pm
Denver (DEN)
Denver (DEN)
02h 03min
Airbus A319
Airbus A319
Landed - On-time
Sunday
20 July
20 July
07:32 pm
Ontario (ONT)
Ontario (ONT)
10:34 pm
Denver (DEN)
Denver (DEN)
02h 02min
Airbus A319
Airbus A319
Landed - Delayed
Sunday
13 July
13 July
06:17 pm
Ontario (ONT)
Ontario (ONT)
09:36 pm
Denver (DEN)
Denver (DEN)
02h 19min
Airbus A319
Airbus A319
Landed - On-time
Sunday
06 July
06 July
07:03 pm
Ontario (ONT)
Ontario (ONT)
10:12 pm
Denver (DEN)
Denver (DEN)
02h 09min
Airbus A319
Airbus A319
Landed - Delayed