UA123 United Airlines - Flight Status
Codeshare Flights
The flight AC5424 from Air Canada (AC) is a codeshare flight operated by United Airlines (UA) under the flight number UA123. Check this page for details about flight UA123.
Warning
There is more than one flight with the same flight number on the same day. This is the other flight:
UA123 London (LHR) to London (LHR) Departure: 08:31 Arrival: 11:20 Check flight
Below, you can find details about United Airlines flight UA123, which currently operates between the airports of London - London Heathrow Airport (Airport Code LHR) and Newark - Newark Liberty International Airport (Airport Code EWR).
This flight data pertains specifically to the flight's details for Saturday, February 21, 2026.
Table of contents:
Flight Status
Flight Status
UA123 On Time performance:
91
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays Flight Status
UA123 United Airlines to Newark
En Route - Delayed
Delay: 115 minutes
Flight Status for Saturday February 21, 2026
This flight was also scheduled for Yesterday (February 20, 2026). See it here
This flight is also scheduled for Tomorrow (February 22, 2026). See it here
En Route - Delayed
Delay: 115 minutes
Flight Status for Saturday February 21, 2026
Airline information
United Airlines
Equipment: Boeing 767-300 (winglets) Passenger
Departure
London (LHR)
February 21, 2026
London Heathrow Airport
Departed at:
10:51
Terminal:
-
Gate:
B49
Scheduled Departure Time: 08:00
Arrival
Newark (EWR)
February 21, 2026
Newark Liberty International Airport
Estimated Arrival Time:
13:15
Terminal:
-
Gate:
BHOL
Scheduled Arrival Time: 11:20
Baggage: 11
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.airport-london-heathrow.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.