Airport Hacks & Reviews Guide to LaGuardia Airport (LGA) - NON OFFICIAL

AA4521 American Airlines - Flight Status

Below, you can find details about American Airlines flight AA4521, which currently operates between the airports of Saint Louis - St Louis Lambert International Airport (Airport Code STL) and New York - New York LaGuardia Airport (Airport Code LGA).
This flight data pertains specifically to the flight's details for Friday, April 17, 2026.

AA4521 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

AA4521 American Airlines from Saint Louis

Scheduled - On-time
Flight Status for Friday April 17, 2026
This flight was also scheduled for Yesterday (April 16, 2026). See it here

Airline information

American Airlines
American Airlines
Equipment: Embraer 175

Departure

Saint Louis (STL)
April 17, 2026
St Louis Lambert International Airport
Estimated Departure Time:
03:42 pm
Terminal:
1
Gate:
C24
Scheduled Departure Time: 03:42 pm

Arrival

New York (LGA)
April 17, 2026
New York LaGuardia Airport
Estimated Arrival Time:
07:19 pm
Terminal:
B
Gate:
27
Scheduled Arrival Time: 07:19 pm
Baggage: 1
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.laguardia-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Additional Information

Which is the frequency of flight AA4521?
The flight AA4521 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight AA4521?
The distance between the two airports is 887 miles.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Saint Louis: 2026-04-17 07:28:09
Current Time in New York: 2026-04-17 08:28:09

Alternative Flights

The following airlines serves the same route between Saint Louis and New York:

American Airlines
- Flight Number: AA4368. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: AA4461. (On Time performance: 77 - Average Delay: 28 minutes)
- Flight Number: AA4486. (On Time performance: 77 - Average Delay: 25 minutes)
- Flight Number: AA4524. (On Time performance: 92 - Average Delay: 4 minutes)
- Flight Number: AA4533. (On Time performance: 72 - Average Delay: 21 minutes)

Delta Air Lines
- Flight Number: DL4905. (On Time performance: 57 - Average Delay: 41 minutes)
- Flight Number: DL4939. (On Time performance: 84 - Average Delay: 12 minutes)
- Flight Number: DL5602. (On Time performance: 78 - Average Delay: 17 minutes)
- Flight Number: DL5613. (On Time performance: 52 - Average Delay: 45 minutes)
- Flight Number: DL5662. (On Time performance: 80 - Average Delay: 35 minutes)
- Flight Number: DL5673. (On Time performance: 91 - Average Delay: 3 minutes)

Southwest Airlines
- Flight Number: WN1387. (On Time performance: 43 - Average Delay: 36 minutes)
- Flight Number: WN1680. (On Time performance: 88 - Average Delay: 5 minutes)
- Flight Number: WN208. (On Time performance: 15 - Average Delay: 88 minutes)
- Flight Number: WN2288. (On Time performance: 67 - Average Delay: 12 minutes)
- Flight Number: WN2425. (On Time performance: 50 - Average Delay: 49 minutes)
- Flight Number: WN343. (On Time performance: 86 - Average Delay: 6 minutes)
- Flight Number: WN3881. (On Time performance: 57 - Average Delay: 17 minutes)
- Flight Number: WN4477. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN648. (On Time performance: 38 - Average Delay: 41 minutes)

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions

Last Past Flights AA4521

Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
16 April
03:34 pm
Saint Louis (STL)
06:56 pm
New York (LGA)
02h 22min
Embraer 175
Embraer 175
Landed - On-time
Wednesday
15 April
03:32 pm
Saint Louis (STL)
07:09 pm
New York (LGA)
02h 37min
Embraer 175
Embraer 175
Landed - On-time
Tuesday
14 April
03:31 pm
Saint Louis (STL)
06:54 pm
New York (LGA)
02h 23min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
12 April
03:37 pm
Saint Louis (STL)
06:51 pm
New York (LGA)
02h 14min
Embraer 175 (E
Embraer 175 (E
Landed - On-time