AA3870 American Airlines - Flight Status

Which is the frequency of flight AA3870?
The flight AA3870 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday on a weekly 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: 01:21 hours.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

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

American Airlines
- Flight Number: AA1004. (On Time performance: 68 - Average Delay: 12 minutes)
- Flight Number: AA1926. (On Time performance: 61 - Average Delay: 51 minutes)
- Flight Number: AA2126. (On Time performance: 52 - Average Delay: 43 minutes)
- Flight Number: AA2956. (On Time performance: 75 - Average Delay: 27 minutes)
- Flight Number: AA3815. (On Time performance: 89 - Average Delay: 7 minutes)
- Flight Number: AA4104. (On Time performance: 89 - Average Delay: 7 minutes)
- Flight Number: AA4144. (On Time performance: 70 - Average Delay: 17 minutes)
- Flight Number: AA418. (On Time performance: 73 - Average Delay: 23 minutes)
- Flight Number: AA439. (On Time performance: 71 - Average Delay: 12 minutes)
- Flight Number: AA4537. (On Time performance: 80 - Average Delay: 11 minutes)
- Flight Number: AA6190. (On Time performance: 59 - Average Delay: 33 minutes)
- Flight Number: AA6352. (On Time performance: 80 - Average Delay: 20 minutes)
- Flight Number: AA6399. (On Time performance: 64 - Average Delay: 19 minutes)
- Flight Number: AA6447. (On Time performance: 80 - Average Delay: 19 minutes)

GoJet Airlines
- Flight Number: G74416.
- Flight Number: G74514.

United Airlines
- Flight Number: UA1355. (On Time performance: 80 - Average Delay: 13 minutes)
- Flight Number: UA2000. (On Time performance: 65 - Average Delay: 39 minutes)
- Flight Number: UA2144. (On Time performance: 61 - Average Delay: 33 minutes)
- Flight Number: UA4416. (On Time performance: 54 - Average Delay: 50 minutes)
- Flight Number: UA4425. (On Time performance: 50 - Average Delay: 25 minutes)
- Flight Number: UA4459. (On Time performance: 83 - Average Delay: 20 minutes)
- Flight Number: UA4472. (On Time performance: 86 - Average Delay: 4 minutes)
- Flight Number: UA4481. (On Time performance: 83 - Average Delay: 15 minutes)
- Flight Number: UA4491. (On Time performance: 63 - Average Delay: 36 minutes)
- Flight Number: UA4514. (On Time performance: 55 - Average Delay: 28 minutes)
- Flight Number: UA4518. (On Time performance: 60 - Average Delay: 47 minutes)
- Flight Number: UA4545. (On Time performance: 67 - Average Delay: 126 minutes)
- Flight Number: UA4552. (On Time performance: 70 - Average Delay: 53 minutes)
- Flight Number: UA4557. (On Time performance: 43 - Average Delay: 40 minutes)
- Flight Number: UA4558. (On Time performance: 67 - Average Delay: 25 minutes)
- Flight Number: UA4576. (On Time performance: 58 - Average Delay: 68 minutes)
- Flight Number: UA4581. (On Time performance: 60 - Average Delay: 24 minutes)
- Flight Number: UA4613. (On Time performance: 68 - Average Delay: 39 minutes)
- Flight Number: UA485. (On Time performance: 58 - Average Delay: 42 minutes)
- Flight Number: UA5214. (On Time performance: 95 - Average Delay: 16 minutes)
- Flight Number: UA5958. (On Time performance: 64 - Average Delay: 23 minutes)

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 20, 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 May 20, 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.