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UA 1231 Seattle to New York Flight Status

United Airlines Flight UA1231 from Seattle Tacoma International Airport SEA to New York Newark Liberty International Airport EWR is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on August 16th, 2025.
Check the table below for UA1231's most recent flight history:

UA 1231 Flight Status & Schedule

Date Departure Arrival Status
Aug 16 13:30 21:00
Unknown
Track >
Aug 09 13:27 21:16
Landed Late
Track >
Aug 02 16:12 23:59
Delayed
Track >

United Airlines UA 1231 Seattle to New York Flight Information

United Airlines Flight UA1231 connects Seattle, United States to New York, United States, taking off from Seattle Tacoma International Airport SEA and landing at New York Newark Liberty International Airport EWR.

How long is the UA1231 flight from Seattle to New York?

The average flight time from Seattle to New York is 4 hours and 48 minutes. The flight distance is 3855 km / 2395 miles and the average flight speed is 769 km/h / 478 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA1231 Seattle to New York?

The Airportia On-Time Performance Rating for United Airlines Flight UA1231 is 3.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA1231 arriving at?

Flight UA1231 arrives at New York Newark Liberty International Airport (EWR) Terminal A.

When was the latest UA1231 flight?

The latest flight took off on Sunday, August 17th, 2025 with the flight status being Unknown on 21:00.

How else can the flight UA1231 be referenced as?

This United Airlines flight can also be referenced as UAL1231, UA 1231, UAL 1231.

How often is flight UA1231 delayed?

On average, 67% of all UA1231 flights are delayed. The average delay is 97 minutes.

Can I get compensation for my delayed or cancelled UA1231 flight or baggage issues?

If your UA1231 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our UA1231 Flight Tracker above for more details.

UA1231 and Seattle SEA to New York EWR Flights

Other flights departing from Seattle SEA: AS2123, AS2107, UA297, UA2275

Other flights arriving at New York EWR: UA2467, UA2320, UA3469, UA4534

All flights connecting Seattle SEA to New York EWR.

UA1231 United Airlines Flight: Seattle to New York Route Map

UA1231 United Airlines Flight Map: Seattle to New York
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.