UA1831 United Airlines - Flight Status
Below, you can find details about United Airlines flight UA1831, which currently operates between the airports of Dulles - Washington Dulles International Airport (Airport Code IAD) and Newark - Newark Liberty International Airport (Airport Code EWR).
This flight data pertains specifically to the flight's details for Sunday, December 21, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1831
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1831
UA1831 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
UA1831 United Airlines from Dulles
Scheduled - On-time
Flight Status for Sunday December 21, 2025
This flight was also scheduled for Yesterday (December 19, 2025). See it here
This flight is also scheduled for Today (December 20, 2025). See it here
Scheduled - On-time
Flight Status for Sunday December 21, 2025
Departure
Dulles (IAD)
December 21, 2025
Washington Dulles International Airport
Estimated Departure Time:
05:10 pm
Terminal:
-
Gate:
-
Scheduled Departure Time: 05:10 pm
Arrival
Newark (EWR)
December 21, 2025
Newark Liberty International Airport
Estimated Arrival Time:
06:29 pm
Terminal:
A
Gate:
-
Scheduled Arrival Time: 06:29 pm
Disclaimer
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Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- AV2232 - Avianca
- ET1386 - Ethiopian Airlines
- TP8507 - TAP Air Portugal
Additional Information
Which is the frequency of flight UA1831?
The flight UA1831 is currently not scheduled at Newark Airport.
Which is the distance of flight UA1831?
The distance between the two airports is 211 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight UA1831 is currently not scheduled at Newark Airport.
Which is the distance of flight UA1831?
The distance between the two airports is 211 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
Alternative Flights
The following airlines serves the same route between Dulles and Newark:
FedEx
- Flight Number: FX1901. (On Time performance: 80 - Average Delay: 16 minutes)
Mountain Air Cargo
- Flight Number: MTN8300. (On Time performance: 67 - Average Delay: 20 minutes)
- Flight Number: MTN8303. (On Time performance: 86 - Average Delay: 28 minutes)
- Flight Number: MTN8313. (On Time performance: 14 - Average Delay: 70 minutes)
United Airlines
- Flight Number: UA1155. (On Time performance: 87 - Average Delay: 7 minutes)
- Flight Number: UA1298. (On Time performance: 56 - Average Delay: 59 minutes)
- Flight Number: UA1606. (On Time performance: 59 - Average Delay: 36 minutes)
- Flight Number: UA1997. (On Time performance: 70 - Average Delay: 21 minutes)
- Flight Number: UA2295. (On Time performance: 72 - Average Delay: 25 minutes)
- Flight Number: UA2669. (On Time performance: 92 - Average Delay: 3 minutes)
- Flight Number: UA368. (On Time performance: 27 - Average Delay: 69 minutes)
- Flight Number: UA4187. (On Time performance: 63 - Average Delay: 44 minutes)
FedEx
- Flight Number: FX1901. (On Time performance: 80 - Average Delay: 16 minutes)
Mountain Air Cargo
- Flight Number: MTN8300. (On Time performance: 67 - Average Delay: 20 minutes)
- Flight Number: MTN8303. (On Time performance: 86 - Average Delay: 28 minutes)
- Flight Number: MTN8313. (On Time performance: 14 - Average Delay: 70 minutes)
United Airlines
- Flight Number: UA1155. (On Time performance: 87 - Average Delay: 7 minutes)
- Flight Number: UA1298. (On Time performance: 56 - Average Delay: 59 minutes)
- Flight Number: UA1606. (On Time performance: 59 - Average Delay: 36 minutes)
- Flight Number: UA1997. (On Time performance: 70 - Average Delay: 21 minutes)
- Flight Number: UA2295. (On Time performance: 72 - Average Delay: 25 minutes)
- Flight Number: UA2669. (On Time performance: 92 - Average Delay: 3 minutes)
- Flight Number: UA368. (On Time performance: 27 - Average Delay: 69 minutes)
- Flight Number: UA4187. (On Time performance: 63 - Average Delay: 44 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 UA1831
Date
Departure
Arrival
Duration
Aircraft
Status
Friday
19 December
19 December
05:17 pm
Dulles (IAD)
Dulles (IAD)
06:34 pm
Newark (EWR)
Newark (EWR)
01h 17min
Boeing 737-900
Boeing 737-900
Landed - On-time
Thursday
18 December
18 December
06:39 pm
()
()
08:01 pm
Newark (EWR)
Newark (EWR)
Boeing 737-900
Boeing 737-900
Landed - DIVERTED
Thursday
18 December
18 December
05:10 pm
Dulles (IAD)
Dulles (IAD)
06:38 pm
Dulles (IAD)
Dulles (IAD)
Boeing 737-900
Boeing 737-900
- DIVERTED
