UA2331 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA2331, which currently operates between the airports of Chicago - Chicago O'Hare International Airport (Airport Code ORD) and Portland - Portland International Airport (Airport Code PDX).
This flight data pertains specifically to the flight's details for Friday, December 05, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA2331
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA2331
UA2331 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
UA2331 United Airlines from Chicago
Scheduled - On-time
Flight Status for Friday December 05, 2025
This flight was also scheduled for Yesterday (December 04, 2025). See it here
This flight is also scheduled for Tomorrow (December 06, 2025). See it here
Scheduled - On-time
Flight Status for Friday December 05, 2025
Airline information
United Airlines
Equipment: Boeing 737MAX 9 Passenger
Departure
Chicago (ORD)
December 05, 2025
Chicago O'Hare International Airport
Estimated Departure Time:
04:10 pm
Terminal:
1
Gate:
C29
Scheduled Departure Time: 04:10 pm
Arrival
Portland (PDX)
December 05, 2025
Portland International Airport
Estimated Arrival Time:
06:45 pm
Concourse:
E
Gate:
E3
Scheduled Arrival Time: 06:45 pm
Baggage: 9
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.portland-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:
- AC3405 - Air Canada
- LH9170 - Lufthansa
- SN8869 - Brussels Airlines
Additional Information
Which is the frequency of flight UA2331?
The flight UA2331 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday on a weekly basis.
Which is the distance of flight UA2331?
The distance between the two airports is 1735 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 Chicago: 2025-12-05 05:32:43
Current Time in Portland: 2025-12-05 03:32:43
The flight UA2331 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday on a weekly basis.
Which is the distance of flight UA2331?
The distance between the two airports is 1735 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 Chicago: 2025-12-05 05:32:43
Current Time in Portland: 2025-12-05 03:32:43
Alternative Flights
The following airlines serves the same route between Chicago and Portland:
American Airlines
- Flight Number: AA563. (On Time performance: 79 - Average Delay: 10 minutes)
Alaska Airlines
- Flight Number: AS325. (On Time performance: 59 - Average Delay: 19 minutes)
- Flight Number: AS413. (On Time performance: 88 - Average Delay: 11 minutes)
United Airlines
- Flight Number: UA1994. (On Time performance: 89 - Average Delay: 6 minutes)
- Flight Number: UA2059. (On Time performance: 72 - Average Delay: 15 minutes)
- Flight Number: UA2207. (On Time performance: 69 - Average Delay: 41 minutes)
American Airlines
- Flight Number: AA563. (On Time performance: 79 - Average Delay: 10 minutes)
Alaska Airlines
- Flight Number: AS325. (On Time performance: 59 - Average Delay: 19 minutes)
- Flight Number: AS413. (On Time performance: 88 - Average Delay: 11 minutes)
United Airlines
- Flight Number: UA1994. (On Time performance: 89 - Average Delay: 6 minutes)
- Flight Number: UA2059. (On Time performance: 72 - Average Delay: 15 minutes)
- Flight Number: UA2207. (On Time performance: 69 - Average Delay: 41 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 Weekday: We have gathered available data from last six months, spanning from June 26, 2025 to July 31, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from June 26, 2025 to July 31, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from June 26, 2025 to July 31, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Last Past Flights UA2331
Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
04 December
04 December
04:19 pm
Chicago (ORD)
Chicago (ORD)
06:55 pm
Portland (PDX)
Portland (PDX)
04h 36min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Wednesday
03 December
03 December
04:20 pm
Chicago (ORD)
Chicago (ORD)
06:59 pm
Portland (PDX)
Portland (PDX)
04h 39min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
02 December
02 December
04:25 pm
Chicago (ORD)
Chicago (ORD)
07:11 pm
Portland (PDX)
Portland (PDX)
04h 46min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed