How long is the UA3903 flight?

The timetable allows 8 hours. Porto to New York is 5,360 km (3,331 mi).

What other flight numbers does UA3903 have?

Also listed as UAL3903 (United Airlines' ICAO code) and UA 3903.

Can I get compensation if UA3903 is delayed or cancelled?

Up to €600 per passenger may be due under EU261 when it arrives 3 or more hours late or is cancelled, unless the cause was outside the airline's control. Departing the EU, this flight is covered by EU261.

UA3903 Flight Status United Airlines: Porto to New York (UAL3903)

Are you looking for the November 9th, 2026 UA 3903 Toronto to Houston flight? Go to our UA3903 Toronto to Houston Flight Status page >

UA 3903 Porto to New York Flight Status

Not scheduled today (November 9th, 2026). Latest flight: October 23rd, 2026 ; recent history is in the table below.

UA 3903 Flight Status & Schedule United Airlines Porto to New York

Date	From	To	Departure	Arrival	Status	Details
Oct 23	OPO	EWR	15:00	18:00	Cancelled	Claim >

United Airlines' Porto–New York flight covers 5,360 km (3,331 mi). The timetable allows 8 hours; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight, on 23 October 2026, was cancelled.

< All Porto OPO Departures All New York EWR Arrivals >

About UA 3903

Route: Porto Francisco de Sa Carneiro Airport OPO to New York Newark Liberty International Airport EWR
Distance: 5,360 km (3,331 mi)
Scheduled flight time: 8 h

Departing the EU, this flight is covered by EU261. Compensation of up to €600 per passenger can apply when it arrives 3 or more hours late or is cancelled.

UA 3903 FAQ

How long is the UA3903 flight?: The timetable allows 8 hours. Porto to New York is 5,360 km (3,331 mi).
What other flight numbers does UA3903 have?: Also listed as UAL3903 (United Airlines' ICAO code) and UA 3903.
Can I get compensation if UA3903 is delayed or cancelled?: Up to €600 per passenger may be due under EU261 when it arrives 3 or more hours late or is cancelled, unless the cause was outside the airline's control. Departing the EU, this flight is covered by EU261.

UA3903 Flight Delay Compensation up to €600

Claim compensation for your flight delay or cancellation!

Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to compensation of up to €600 if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >

UA3903 and Porto OPO to New York EWR Flights

Other flights departing from Porto OPO: EC4430, V72241, S4173

Other flights arriving at New York EWR: G74466, QK8498, YX3434

All flights connecting Porto OPO to New York EWR.