AA4378 Flight Status American Airlines: Boston to New York (AAL4378)

AA 4378 Boston to New York Flight Status

Not scheduled today. Latest flight: May 20th, 2026 ; recent history is in the table below.

AA 4378 Flight Status & Schedule American Airlines Boston to New York

Date From To Departure Arrival Status Details
May 20 BOS LGA 13:25 14:12 Landed Track >
May 19 BOS LGA 14:09 14:56 Landed Late Track >
May 18 BOS LGA 13:20 14:04 Landed Track >
May 17 BOS LGA 14:01 14:40 Landed Late Track >
May 16 BOS LGA 13:22 14:07 Landed Track >
May 15 BOS LGA 12:55 13:44 Landed Track >
May 14 BOS LGA 13:01 13:46 Landed Track >
May 13 BOS LGA 12:55 13:45 Landed Track >
May 12 BOS LGA 13:06 13:49 Landed Track >
May 11 BOS LGA 12:57 13:48 Landed Track >

American Airlines operates AA 4378 from Boston to New York, a 297 km (184 mi) trip. Its timetable allows 1 h 26 min; in practice it usually takes about 45 min, so it often makes up time. It is not flying today; the last flight, on 20 May 2026, landed on time.

< All Boston BOS Departures All New York LGA Arrivals >

About AA 4378

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.

Route
Boston Logan International Airport BOS to New York LaGuardia Airport LGA
Distance
297 km (184 mi)
Typical flight time
45 min
On time
8 of the last 10
Average delay when late
31 min
Usually departs from
Terminal B

AA 4378 FAQ

How long is the AA4378 flight from Boston to New York?
The timetable allows 1 h 26 min. Boston to New York is 297 km (184 mi).
How often is AA4378 from Boston to New York late?
2 of the last 10 flights arrived 15 or more minutes late; when late, by 31 minutes on average.
When was the latest AA4378 flight from Boston to New York?
The latest AA4378 was the 12:52 (local time) departure from Boston on 20 May 2026; it landed 6 minutes early.
Which terminal does AA4378 use?
It usually leaves from Terminal B at Boston Logan International Airport (BOS) and arrives at Terminal B at New York LaGuardia Airport (LGA). Check the flight card above for today's terminal and gate.
What other flight numbers does AA4378 have?
Also listed as AAL4378 (American Airlines' ICAO code) and AA 4378.

AA4378 and Boston BOS to New York LGA Flights

Other flights departing from Boston BOS: AA2976, AA4399, B61161, 9K5312

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

All flights connecting Boston BOS to New York LGA.