United Airlines· Callsign UAL51

UA51 EWR → MAD

United Airlines between Newark and Madrid: 5,789 km north-east, long-haul, tracked live here whenever it is transmitting.

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Status on this page means observed ADS-B activity inside available receiver coverage. Confirm official delay, cancellation, gate and booking status with United Airlines.

Newark
Newark Liberty International Airport
5,789 km · 3,597 mi
Non-stop
Madrid
Adolfo Suárez Madrid - Barajas Airport
Aircraft
Not yet observed
fills in once we log the airframe
Distance
5,789 km
3,126 nautical miles
Heading
65°
tracks north-east
Clock change
+6 h
on arrival
Length rank
#147
of 259 tracked routes

Follow UA51 in real time

The aircraft appears below whenever it is airborne and inside receiver coverage. Its planned route is drawn between the two airports.

UA51 is not transmitting right now. It may be between rotations, on the ground, or out of receiver range - Check back near departure time. The full map has the rest of the sky, and what is flying over me will name whatever is above you instead.

UA51 at a glance

  • The trip: 5,789 km (3,597 miles) from Newark to Madrid, flying north-east.
  • How long: no published block time for this service yet.
  • Your watch: set it 6 hours forward on arrival.
  • Window seat tip: the right (south-facing) side gets the sun on a daytime flight.

UA51 route overview: EWR to MAD

UA51 distance and great-circle path

UA51 covers 5,789 km, or 3,597 miles. That makes it a long-haul flight, a widebody route with a full night's flying time. Of the 259 routes we track, it ranks 147 by distance.

Newark to Madrid is 5,789 km (3,597 miles) on an initial heading of 65°, which is broadly north-east. Watches move 6 hours forward between the two gates. It links United States with Spain.

Our guide explains how the EWR–MAD route appears on a tracker map.

What to know about UA51

  • Time change: you land 6 hours ahead of the time you left. That is enough to cause jet lag. Here is how pilots handle it.

What we know about UA51

What flying EWR to MAD takes

It is a long-haul sector, a widebody route with a full night's flying time. United Airlines needs a widebody twinjet: the sector needs long-range tanks and a cabin crew rest provision, which rules out most single-aisle types. Eastbound, the jet stream is usually a tailwind, so the return leg against it tends to be the longer of the two. In daylight the sun sits on the right (south-facing) side of the cabin for most of the crossing.

How we verified this

The origin and destination on this page are the ones we verified for callsign UAL51 through adsbdb, not a schedule copied from elsewhere. We have logged it airborne on 2 days between 2026-09-20 and 2026-09-21. Timings are observations, not an official operational status: always confirm with the airline before travelling.

This page was published from our own tracking record rather than a third-party schedule feed, so it grows as we see the flight again. The seven-day log below is the raw version of the same evidence.

UA51 activity in the past 7 days

Our database contains 2 observations of UA51 across 2 UTC dates in this window, most recently 2026-09-21. Those records contain 2 distinct transponder addresses.

The median recorded visibility was 419 minutes. That is time inside receiver coverage, not airborne duration or an on-time-performance measurement.

Date (UTC)RouteFirst trackedLast trackedTracked for
2026-09-21 tracked in flight 00:16 UTC 07:21 UTC 7h 5m
2026-09-20 tracked in flight 01:45 UTC 08:39 UTC 6h 53m

“First/last tracked” are when UA51 entered and left receiver coverage, in UTC.

Airports and aircraft on UA51

Every scheduled service we follow is listed in the tracker directory, including United Airlines and other tracked flights grouped by airline.

Other tracked flights from Newark

FlightRouteTypical aircraft
ET500Addis Ababa (ADD) → Newark (EWR) Airbus A350-900ET500 flight tracker →
SK909Copenhagen (CPH) → Newark (EWR) Airbus A330-300SK909 flight tracker →
SQ22Singapore (SIN) → New York (EWR) Airbus A350-900ULRSQ22 flight tracker →

Data sources and review

Reviewed 2026-07-29 by Flight-Tracker.net Editorial Team

The route and typical schedule are maintained reference data. Live ADS-B observations are evidence of receiver coverage, not proof of on-time performance. Always confirm the operating date and times with the airline.

Read our schedule and observation review process, or inspect the machine-readable reference dataset.

UA51 frequently asked questions

How long is the UA51 flight?

Newark to Madrid is 5,789 km (3,597 miles) in a straight line. Actual airborne time varies with winds, routing and holding.

What aircraft operates UA51?

Typically a .

Does UA51 fly every day?

Frequency varies by season. Always confirm with the airline before travelling.

Can I track UA51 live?

Yes. Whenever UA51 is airborne and in receiver coverage the map above follows it live, with altitude, ground speed and heading. Between rotations, the seven-day log above shows where it has been.

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