Airports › London to Newark

UA 123London to Newark

United Airlines🇬🇧LHR🇺🇸EWRLondon Heathrow Airport to Newark Liberty International Airport
Departs
07:45
local to London
Operates
Daily
S26 schedule
Distance
5,562 km
3,456 miles
Typical delay
10 min
31 departures

The route

Great circle, 5,562 km
LHREWR5,562 km
5,562 km (3,456 miles) great-circle, measured between the two airports' published coordinates. The line is the shortest path over the globe, which on a flat map bows away from a straight line.

What flies it

59 sightings

B789.

Aircraft types we recorded on this flight. A type is never inferred from the route, so a flight we have not seen closely shows none.

How delayed is UA 123?

Measured over months

This flight leaves London Heathrow Airport a typical 10 minutes late (likely 7 to 13), across 31 departures we tracked between 2026-04-08 and 2026-09-05.

median delay of tracked departures on this leg. Flight Owl's own resolved departure predictions (flights our users tracked), not a census of all flights at the airport.

Other flights on this route

1 more
FlightAirlineDepartsDepartures seen
UA 905United Airlines09:3012

Where it goes

LHR → EWRLondon to NewarkEvery airline on this routeLHRLondon Heathrow AirportDeparture airportEWRNewark Liberty International AirportArrival airport

How these numbers are measured