Informational Guide to Boston Logan Airport (BOS) - NON OFFICIAL

AA4727 American Airlines - Flight Status

Codeshare Flights
The flight BA1732 from British Airways (BA) is a codeshare flight operated by American Airlines (AA) under the flight number AA4727. Check this page for details about flight AA4727.

Below, you can find details about American Airlines flight AA4727, 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 Wednesday, September 23, 2026.

AA4727 On Time performance:
43
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

AA4727 American Airlines to Saint Louis

Scheduled
Flight Status for Wednesday September 23, 2026
This flight was also scheduled for Yesterday (September 21, 2026). See it here
This flight is also scheduled for Today (September 22, 2026). See it here

Airline information

American Airlines
American Airlines
Equipment: Embraer 175

Departure

Boston (BOS)
September 23, 2026
Boston Logan International Airport
Scheduled Departure Time:
03:21 pm
Terminal:
B
Gate:
B17
Scheduled Departure Time: 03:21 pm

Arrival

Saint Louis (STL)
September 23, 2026
St Louis Lambert International Airport
Scheduled Arrival Time:
05:24 pm
Terminal:
1
Gate:
-
Scheduled Arrival Time: 05:24 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.boston-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.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- BA1732 - British Airways

Additional Information

Which is the frequency of flight AA4727?
The flight AA4727 is scheduled to flight on daily basis.

Which is the distance of flight AA4727?
The distance between the two airports is 1044 miles.

Which is the flight time of flight AA4727?
The scheduled flight time gate to gate is: 03:03 hours.
The real flight time gate to gate on average is: 03:06 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: 2026-09-22 23:34:55
Current Time in Saint Louis: 2026-09-22 22:34:55

Alternative Flights

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

American Airlines
- Flight Number: AA3546. (On Time performance: 87 - Average Delay: 12 minutes)
- Flight Number: AA4678. (On Time performance: 49 - Average Delay: 49 minutes)

Southwest Airlines
- Flight Number: WN155. (On Time performance: 83 - Average Delay: 15 minutes)
- Flight Number: WN2076. (On Time performance: 11 - Average Delay: 68 minutes)
- Flight Number: WN2356. (On Time performance: 33 - Average Delay: 58 minutes)
- Flight Number: WN2550. (On Time performance: 74 - Average Delay: 13 minutes)
- Flight Number: WN3013. (On Time performance: 92 - Average Delay: 4 minutes)
- Flight Number: WN3044. (On Time performance: 50 - Average Delay: 14 minutes)
- Flight Number: WN4968. (On Time performance: 94 - Average Delay: 4 minutes)
- Flight Number: WN960. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN999. (On Time performance: 62 - Average Delay: 24 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 September 09, 2026 to September 15, 2026, we have obtained these figures.
Total number of flights: 7
On Time: 3 ( 43 % )
Moderate Delay: 3 ( 43 % )
Significant Delay: 0 ( 0 % )
Major Delay: 1 ( 14 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 30 minutes.
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: We have gathered available data from last twelve closed months, spanning from September 03, 2025 to February 11, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

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

Last Past Flights AA4727

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
21 September
05:22 pm
Boston (BOS)
07:20 pm
Saint Louis (STL)
02h 58min
Embraer 175
Embraer 175
Landed - Delayed
Sunday
20 September
04:01 pm
Boston (BOS)
06:09 pm
Saint Louis (STL)
03h 08min
Embraer 175
Embraer 175
Landed - Delayed
Saturday
19 September
10:57 am
Boston (BOS)
12:54 pm
Saint Louis (STL)
02h 57min
Embraer 175
Embraer 175
Landed - On-time
Friday
18 September
03:28 pm
Boston (BOS)
05:25 pm
Saint Louis (STL)
02h 57min
Embraer 175
Embraer 175
Landed - On-time
Thursday
17 September
04:47 pm
Boston (BOS)
06:45 pm
Saint Louis (STL)
02h 58min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Wednesday
16 September
03:16 pm
Boston (BOS)
05:26 pm
Saint Louis (STL)
03h 10min
Embraer 175
Embraer 175
Landed - On-time
Tuesday
15 September
03:16 pm
Boston (BOS)
05:09 pm
Saint Louis (STL)
02h 53min
Embraer 175
Embraer 175
Landed - On-time
Monday
14 September
03:29 pm
Boston (BOS)
05:37 pm
Saint Louis (STL)
03h 08min
Embraer 175
Embraer 175
Landed - On-time
Sunday
13 September
05:30 pm
Boston (BOS)
07:33 pm
Saint Louis (STL)
03h 03min
Embraer 175 (E
Embraer 175 (E
Saturday
12 September
11:08 am
Boston (BOS)
01:23 pm
Saint Louis (STL)
03h 15min
Embraer 175
Embraer 175
Landed - Delayed