AA3870 American Airlines - Flight Status
Below, you can find details about American Airlines flight AA3870, which currently operates between the airports of Chicago - Chicago O'Hare International Airport (Airport Code ORD) 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.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights AA3870
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights AA3870
AA3870 On Time performance:
85
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
AA3870 American Airlines to Saint Louis
Landed - On-time
Flight Status for Wednesday May 20, 2026
This flight was also scheduled for Yesterday (May 19, 2026). See it here
Landed - On-time
Flight Status for Wednesday May 20, 2026
Departure
Chicago (ORD)
May 20, 2026
Chicago O'Hare International Airport
Departed at:
07:00 am
Terminal:
3
Gate:
G8
Scheduled Departure Time: 07:00 am
Arrival
Saint Louis (STL)
May 20, 2026
St Louis Lambert International Airport
Arrived at:
08:07 am
Terminal:
1
Gate:
C12
Scheduled Arrival Time: 08:25 am
Baggage: 3
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.airport-ohare.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:
- AS6492 - Alaska Airlines
- BA4662 - British Airways
Additional Information
Which is the frequency of flight AA3870?
The flight AA3870 is scheduled to flight on daily basis.
Which is the distance of flight AA3870?
The distance between the two airports is 258 miles.
Which is the flight time of flight AA3870?
The scheduled flight time gate to gate is: 01:25 hours.
The real flight time gate to gate on average is: 01:20 hours.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight AA3870 is scheduled to flight on daily basis.
Which is the distance of flight AA3870?
The distance between the two airports is 258 miles.
Which is the flight time of flight AA3870?
The scheduled flight time gate to gate is: 01:25 hours.
The real flight time gate to gate on average is: 01:20 hours.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
Alternative Flights
The following airlines serves the same route between Chicago and Saint Louis:
American Airlines
- Flight Number: AA1926. (On Time performance: 59 - Average Delay: 58 minutes)
- Flight Number: AA2126. (On Time performance: 53 - Average Delay: 44 minutes)
- Flight Number: AA2956. (On Time performance: 78 - Average Delay: 27 minutes)
- Flight Number: AA3622. (On Time performance: 74 - Average Delay: 23 minutes)
- Flight Number: AA418. (On Time performance: 73 - Average Delay: 17 minutes)
- Flight Number: AA4341. (On Time performance: 83 - Average Delay: 6 minutes)
- Flight Number: AA6190. (On Time performance: 60 - Average Delay: 34 minutes)
- Flight Number: AA6399. (On Time performance: 65 - Average Delay: 16 minutes)
- Flight Number: AA6447. (On Time performance: 90 - Average Delay: 6 minutes)
GoJet Airlines
- Flight Number: G73395. (On Time performance: 14 - Average Delay: 93 minutes)
- Flight Number: G74416.
United Airlines
- Flight Number: UA3694. (On Time performance: 86 - Average Delay: 9 minutes)
- Flight Number: UA4416. (On Time performance: 55 - Average Delay: 51 minutes)
- Flight Number: UA4425. (On Time performance: 57 - Average Delay: 22 minutes)
- Flight Number: UA4459. (On Time performance: 86 - Average Delay: 18 minutes)
- Flight Number: UA4467. (On Time performance: 42 - Average Delay: 48 minutes)
- Flight Number: UA4485. (On Time performance: 53 - Average Delay: 34 minutes)
- Flight Number: UA4491. (On Time performance: 66 - Average Delay: 35 minutes)
- Flight Number: UA4545. (On Time performance: 71 - Average Delay: 124 minutes)
- Flight Number: UA4557. (On Time performance: 55 - Average Delay: 27 minutes)
- Flight Number: UA4558. (On Time performance: 72 - Average Delay: 34 minutes)
- Flight Number: UA4576. (On Time performance: 64 - Average Delay: 68 minutes)
- Flight Number: UA4596. (On Time performance: 62 - Average Delay: 49 minutes)
- Flight Number: UA4610. (On Time performance: 58 - Average Delay: 34 minutes)
- Flight Number: UA4613. (On Time performance: 63 - Average Delay: 42 minutes)
- Flight Number: UA485. (On Time performance: 65 - Average Delay: 38 minutes)
- Flight Number: UA5214. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: UA5803.
American Airlines
- Flight Number: AA1926. (On Time performance: 59 - Average Delay: 58 minutes)
- Flight Number: AA2126. (On Time performance: 53 - Average Delay: 44 minutes)
- Flight Number: AA2956. (On Time performance: 78 - Average Delay: 27 minutes)
- Flight Number: AA3622. (On Time performance: 74 - Average Delay: 23 minutes)
- Flight Number: AA418. (On Time performance: 73 - Average Delay: 17 minutes)
- Flight Number: AA4341. (On Time performance: 83 - Average Delay: 6 minutes)
- Flight Number: AA6190. (On Time performance: 60 - Average Delay: 34 minutes)
- Flight Number: AA6399. (On Time performance: 65 - Average Delay: 16 minutes)
- Flight Number: AA6447. (On Time performance: 90 - Average Delay: 6 minutes)
GoJet Airlines
- Flight Number: G73395. (On Time performance: 14 - Average Delay: 93 minutes)
- Flight Number: G74416.
United Airlines
- Flight Number: UA3694. (On Time performance: 86 - Average Delay: 9 minutes)
- Flight Number: UA4416. (On Time performance: 55 - Average Delay: 51 minutes)
- Flight Number: UA4425. (On Time performance: 57 - Average Delay: 22 minutes)
- Flight Number: UA4459. (On Time performance: 86 - Average Delay: 18 minutes)
- Flight Number: UA4467. (On Time performance: 42 - Average Delay: 48 minutes)
- Flight Number: UA4485. (On Time performance: 53 - Average Delay: 34 minutes)
- Flight Number: UA4491. (On Time performance: 66 - Average Delay: 35 minutes)
- Flight Number: UA4545. (On Time performance: 71 - Average Delay: 124 minutes)
- Flight Number: UA4557. (On Time performance: 55 - Average Delay: 27 minutes)
- Flight Number: UA4558. (On Time performance: 72 - Average Delay: 34 minutes)
- Flight Number: UA4576. (On Time performance: 64 - Average Delay: 68 minutes)
- Flight Number: UA4596. (On Time performance: 62 - Average Delay: 49 minutes)
- Flight Number: UA4610. (On Time performance: 58 - Average Delay: 34 minutes)
- Flight Number: UA4613. (On Time performance: 63 - Average Delay: 42 minutes)
- Flight Number: UA485. (On Time performance: 65 - Average Delay: 38 minutes)
- Flight Number: UA5214. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: UA5803.
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from April 07, 2026 to May 16, 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.
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from April 07, 2026 to May 16, 2026, we have obtained these figures.
Total number of flights: 39
On Time: 33 ( 85 % )
Moderate Delay: 2 ( 5 % )
Significant Delay: 2 ( 5 % )
Major Delay: 1 ( 3 % )
Canceled: 0 ( 0 % )
Diverted: 1 ( 3 % )
Average Delay: 10 minutes.
Total number of flights: 39
On Time: 33 ( 85 % )
Moderate Delay: 2 ( 5 % )
Significant Delay: 2 ( 5 % )
Major Delay: 1 ( 3 % )
Canceled: 0 ( 0 % )
Diverted: 1 ( 3 % )
Average Delay: 10 minutes.
Last Past Flights AA3870
Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
19 May
19 May
06:56 am
Chicago (ORD)
Chicago (ORD)
08:05 am
Saint Louis (STL)
Saint Louis (STL)
01h 09min
Embraer 170
Embraer 170
Landed - On-time
Monday
18 May
18 May
07:30 am
Chicago (ORD)
Chicago (ORD)
09:19 am
Evansville (EVV)
Evansville (EVV)
01h 49min
Embraer 175 (E
Embraer 175 (E
Landed - DIVERTED
Sunday
17 May
17 May
07:00 am
Chicago (ORD)
Chicago (ORD)
08:13 am
Saint Louis (STL)
Saint Louis (STL)
01h 13min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Saturday
16 May
16 May
06:56 am
Chicago (ORD)
Chicago (ORD)
08:52 am
Saint Louis (STL)
Saint Louis (STL)
01h 56min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Friday
15 May
15 May
06:58 am
Chicago (ORD)
Chicago (ORD)
08:31 am
Saint Louis (STL)
Saint Louis (STL)
01h 33min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Thursday
14 May
14 May
06:57 am
Chicago (ORD)
Chicago (ORD)
08:25 am
Saint Louis (STL)
Saint Louis (STL)
01h 28min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Wednesday
13 May
13 May
06:53 am
Chicago (ORD)
Chicago (ORD)
07:58 am
Saint Louis (STL)
Saint Louis (STL)
01h 05min
Embraer 170
Embraer 170
Landed - On-time
Tuesday
12 May
12 May
06:50 am
Chicago (ORD)
Chicago (ORD)
07:54 am
Saint Louis (STL)
Saint Louis (STL)
01h 04min
Embraer 170
Embraer 170
Landed - On-time
Monday
11 May
11 May
07:01 am
Chicago (ORD)
Chicago (ORD)
08:13 am
Saint Louis (STL)
Saint Louis (STL)
01h 12min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
10 May
10 May
06:58 am
Chicago (ORD)
Chicago (ORD)
08:37 am
Saint Louis (STL)
Saint Louis (STL)
01h 39min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
