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

AA4518 American Airlines - Flight Status

Below, you can find details about American Airlines flight AA4518, 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, May 20, 2026.

AA4518 On Time performance:
88
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

AA4518 American Airlines to Saint Louis

We only provide flight information for yesterday, today and tomorrow. This flight is not scheduled for this interval of time.

Airline information

American Airlines
American Airlines

Departure

Boston (BOS)
May 20, 2026
Boston Logan International Airport

Arrival

Saint Louis (STL)
May 20, 2026
St Louis Lambert International Airport
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.

Additional Information

Which is the frequency of flight AA4518?
The flight AA4518 is scheduled to flight on daily basis.

Which is the distance of flight AA4518?
The distance between the two airports is 1044 miles.

Which is the flight time of flight AA4518?
The scheduled flight time gate to gate is: 03:13 hours.
The real flight time gate to gate on average is: 03:09 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: 2026-05-24 19:01:52
Current Time in Saint Louis: 2026-05-24 18:01:52

Alternative Flights

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

American Airlines
- Flight Number: AA4224. (On Time performance: 83 - Average Delay: 20 minutes)
- Flight Number: AA4678.

Southwest Airlines
- Flight Number: WN900. (On Time performance: 95 - Average Delay: 2 minutes)
- Flight Number: WN901. (On Time performance: 80 - Average Delay: 10 minutes)
- Flight Number: WN908. (On Time performance: 62 - Average Delay: 22 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 April 07, 2026 to May 18, 2026, we have obtained these figures.
Total number of flights: 41
On Time: 36 ( 88 % )
Moderate Delay: 1 ( 2 % )
Significant Delay: 2 ( 5 % )
Major Delay: 1 ( 2 % )
Canceled: 0 ( 0 % )
Diverted: 1 ( 2 % )

Average Delay: 7 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from April 07, 2026 to May 18, 2026. 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.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from April 07, 2026 to April 30, 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.

Last Past Flights AA4518

Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
20 May
08:40 am
Boston (BOS)
10:39 am
Saint Louis (STL)
02h 59min
Embraer 175
Embraer 175
Landed - On-time
Tuesday
19 May
08:38 am
Boston (BOS)
10:36 am
Saint Louis (STL)
02h 58min
Embraer 175
Embraer 175
Landed - On-time
Monday
18 May
08:35 am
Boston (BOS)
11:31 am
Indianapolis (IND)
02h 56min
Embraer 175 (E
Embraer 175 (E
Landed - DIVERTED
Sunday
17 May
08:53 am
Boston (BOS)
10:48 am
Saint Louis (STL)
01h 55min
Embraer 175
Embraer 175
Landed - On-time
Saturday
16 May
10:26 am
Boston (BOS)
12:37 pm
Saint Louis (STL)
02h 11min
Embraer 175
Embraer 175
Landed - Delayed
Friday
15 May
09:08 am
Boston (BOS)
11:14 am
Saint Louis (STL)
02h 06min
Embraer 175
Embraer 175
Landed - Delayed
Thursday
14 May
08:39 am
Boston (BOS)
10:36 am
Saint Louis (STL)
01h 57min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Wednesday
13 May
08:34 am
Boston (BOS)
10:44 am
Saint Louis (STL)
02h 10min
Embraer 175
Embraer 175
Landed - On-time
Tuesday
12 May
08:37 am
Boston (BOS)
10:30 am
Saint Louis (STL)
01h 53min
Embraer 175
Embraer 175
Landed - On-time
Monday
11 May
08:36 am
Boston (BOS)
10:47 am
Saint Louis (STL)
02h 11min
Embraer 175 (E
Embraer 175 (E
Landed - On-time