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AZ4377 Flight Status ITA Airways: Seattle to Washington (ITY4377)

AZ 4377 Seattle to Washington Flight Status

ITA Airways Flight AZ4377 from Seattle Tacoma International Airport SEA to Washington Dulles International Airport IAD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on March 26th, 2026.
Check the table below for AZ4377's most recent flight history:

AZ 4377 Flight Status & Schedule

Date Departure Arrival Status
Mar 26 08:26 15:22
Landed
 Track >
Mar 24 08:24 15:27
Landed
 Track >
Mar 22 08:08 15:20
Landed
 Track >
Mar 19 08:19 15:22
Landed
 Track >
< All SEA Departures All IAD Arrivals >

ITA Airways AZ 4377 Seattle to Washington Flight Information

ITA Airways Flight AZ4377 connects Seattle, United States to Washington, United States, taking off from Seattle Tacoma International Airport SEA and landing at Washington Dulles International Airport IAD.

How long is the AZ4377 flight from Seattle to Washington?

The average flight time from Seattle to Washington is 4 hours and 3 minutes. The flight distance is 3701 km / 2300 miles and the average flight speed is 912 km/h / 567 mph.

What is the On-Time Performance (OTP) of ITA Airways Flight AZ4377 Seattle to Washington?

The Airportia On-Time Performance Rating for ITA Airways Flight AZ4377 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AZ4377 arriving at?

Flight AZ4377 arrives at Washington Dulles International Airport (IAD) Terminal S.

When was the latest AZ4377 flight?

The latest flight took off on Thursday, March 26th, 2026 with the flight status being Landed on 15:22.

How else can the flight AZ4377 be referenced as?

This ITA Airways flight can also be referenced as ITY4377, AZ 4377, ITY 4377.

How often is flight AZ4377 delayed?

On average, 0% of all AZ4377 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled AZ4377 flight or baggage issues?

If your AZ4377 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 AZ4377 Flight Tracker above for more details.

AZ4377 and Seattle SEA to Washington IAD Flights

Other flights departing from Seattle SEA: WN1416, UA2474, AS3457, AS7006

Other flights arriving at Washington IAD: UA2474, UA4951, UA4472, TA582

All flights connecting Seattle SEA to Washington IAD.

AZ4377 ITA Airways Flight: Seattle to Washington Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: F37308 S43246 PF7793 F37024 WT460 VJ3025 AT2165 5Y8817 R51400 N84871
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.