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AA 4378 Boston to New York Flight Status

American Airlines Flight AA4378 from Boston Logan International Airport BOS to New York LaGuardia Airport LGA is not scheduled for today July 1st, 2026.
The last time the flight was scheduled was on May 20th, 2026.
Check the table below for AA4378's most recent flight history:

AA 4378 Flight Status & Schedule

Date Departure Arrival Status
May 20 13:25 14:12
Landed
Track >
May 19 14:09 14:56
Landed Late
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May 18 13:20 14:04
Landed
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May 17 14:01 14:40
Landed Late
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May 16 13:22 14:07
Landed
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American Airlines AA 4378 Boston to New York Flight Information

American Airlines Flight AA4378 connects Boston, United States to New York, United States, taking off from Boston Logan International Airport BOS and landing at New York LaGuardia Airport LGA.

How long is the AA4378 flight from Boston to New York?

The average flight time from Boston to New York is 46 minutes. The flight distance is 297 km / 184 miles and the average flight speed is 389 km/h / 242 mph.

What is the On-Time Performance (OTP) of American Airlines Flight AA4378 Boston to New York?

The Airportia On-Time Performance Rating for American Airlines Flight AA4378 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AA4378 arriving at?

Flight AA4378 arrives at New York LaGuardia Airport (LGA) Terminal B.

When was the latest AA4378 flight?

The latest flight took off on Wednesday, May 20th, 2026 with the flight status being Landed on 14:12.

How else can the flight AA4378 be referenced as?

This American Airlines flight can also be referenced as AAL4378, AA 4378, AAL 4378.

How often is flight AA4378 delayed?

On average, 20% of all AA4378 flights are delayed. The average delay is 30 minutes.

Can I get compensation for my delayed or cancelled AA4378 flight or baggage issues?

If your AA4378 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 AA4378 Flight Tracker above for more details.

AA4378 and Boston BOS to New York LGA Flights

Other flights departing from Boston BOS: AA2247, AA4399, B61161, 9K5312

Other flights arriving at New York LGA: AA2356, UA1793, AA3215, AA4687

All flights connecting Boston BOS to New York LGA.

AA4378 American Airlines Flight: Boston to New York Route Map

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.