Informational Guide to St. Louis Lambert Airport (STL) - NON OFFICIAL

AA3520 American Airlines - Flight Status

Below, you can find details about American Airlines flight AA3520, which currently operates between the airports of Boston - Boston Logan International Airport (Airport Code BOS) and Saint Louis - St Louis Lambert International Airport (Airport Code STL).
This flight data pertains specifically to the flight's details for Saturday, December 06, 2025.

AA3520 On Time performance:
79
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

AA3520 American Airlines from Boston

Landed - On-time
Flight Status for Saturday December 06, 2025
This flight was also scheduled for Yesterday (December 05, 2025). See it here
This flight is also scheduled for Tomorrow (December 07, 2025). See it here

Airline information

American Airlines
American Airlines
Equipment: Embraer 175 (Enhanced Winglets)

Departure

Boston (BOS)
December 06, 2025
Boston Logan International Airport
Departed at:
11:55 am
Terminal:
B
Gate:
B10
Scheduled Departure Time: 12:02 pm

Arrival

Saint Louis (STL)
December 06, 2025
St Louis Lambert International Airport
Arrived at:
02:11 pm
Terminal:
1
Gate:
C6
Scheduled Arrival Time: 02:24 pm
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.saint-louis-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 AA3520?
The flight AA3520 is scheduled to flight on daily basis.

Which is the distance of flight AA3520?
The distance between the two airports is 1044 miles.

Which is the flight time of flight AA3520?
The scheduled flight time gate to gate is: 03:22 hours.
The real flight time gate to gate on average is: 03:10 hours.

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 Boston: 2025-12-06 16:53:10
Current Time in Saint Louis: 2025-12-06 15:53:10

Alternative Flights

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

American Airlines
- Flight Number: AA4500. (On Time performance: 100 - Average Delay: 0 minutes)

Southwest Airlines
- Flight Number: WN1399. (On Time performance: 59 - Average Delay: 31 minutes)
- Flight Number: WN1438. (On Time performance: 90 - Average Delay: 8 minutes)
- Flight Number: WN1441. (On Time performance: 85 - Average Delay: 6 minutes)
- Flight Number: WN1442. (On Time performance: 80 - Average Delay: 16 minutes)
- Flight Number: WN3399. (On Time performance: 100 - Average Delay: 2 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from November 02, 2025 to December 01, 2025, we have obtained these figures.
Total number of flights: 29
On Time: 23 ( 79 % )
Moderate Delay: 1 ( 3 % )
Significant Delay: 1 ( 3 % )
Major Delay: 4 ( 14 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 23 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from November 02, 2025 to December 01, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from November 02, 2025 to November 30, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights AA3520

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
05 December
11:57 am
Boston (BOS)
02:25 pm
Saint Louis (STL)
03h 28min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Thursday
04 December
11:58 am
Boston (BOS)
02:41 pm
Saint Louis (STL)
03h 43min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Wednesday
03 December
12:24 pm
Boston (BOS)
02:47 pm
Saint Louis (STL)
03h 23min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Tuesday
02 December
12:44 pm
Boston (BOS)
02:47 pm
Saint Louis (STL)
03h 03min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Monday
01 December
12:23 pm
Boston (BOS)
03:10 pm
Saint Louis (STL)
03h 47min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Sunday
30 November
05:13 pm
Boston (BOS)
07:34 pm
Saint Louis (STL)
03h 21min
Embraer 175 (E
Embraer 175 (E
Saturday
29 November
02:34 pm
Boston (BOS)
04:56 pm
Saint Louis (STL)
03h 22min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Friday
28 November
11:53 am
Boston (BOS)
02:15 pm
Saint Louis (STL)
03h 22min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Wednesday
26 November
12:11 pm
Boston (BOS)
02:33 pm
Saint Louis (STL)
03h 22min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Tuesday
25 November
11:52 am
Boston (BOS)
02:09 pm
Saint Louis (STL)
03h 17min
Embraer 175 (E
Embraer 175 (E
Landed - On-time