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

UA5397 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA5397, 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 21, 2025.

UA5397 On Time performance:
80
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

UA5397 United Airlines from Chicago

This flight is not scheduled for June 13, 2025.

Airline information

United Airlines
United Airlines

Departure

Chicago (ORD)
May 21, 2025
Chicago O'Hare International Airport

Arrival

Saint Louis (STL)
May 21, 2025
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.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.

Codeshare Flights

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

- AC4900 - Air Canada

- NH7588 - ANA All Nippon Airways

- NZ2899 - Air New Zealand

Additional Information

Which is the frequency of flight UA5397?
The flight UA5397 is scheduled to flight on daily basis.

Which is the distance of flight UA5397?
The distance between the two airports is 258 miles.

Which is the flight time of flight UA5397?
The scheduled flight time gate to gate is: 01:29 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.

Alternative Flights

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

American Airlines
- Flight Number: AA1188. (On Time performance: 33 - Average Delay: 37 minutes)
- Flight Number: AA1926. (On Time performance: 70 - Average Delay: 16 minutes)
- Flight Number: AA3239. (On Time performance: 70 - Average Delay: 36 minutes)
- Flight Number: AA3678. (On Time performance: 74 - Average Delay: 9 minutes)
- Flight Number: AA3727. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: AA3764. (On Time performance: 73 - Average Delay: 14 minutes)
- Flight Number: AA4135. (On Time performance: 85 - Average Delay: 10 minutes)
- Flight Number: AA4153. (On Time performance: 94 - Average Delay: 3 minutes)
- Flight Number: AA4920. (On Time performance: 73 - Average Delay: 14 minutes)
- Flight Number: AA6299. (On Time performance: 17 - Average Delay: 55 minutes)
- Flight Number: AA6324. (On Time performance: 80 - Average Delay: 8 minutes)

GoJet Airlines
- Flight Number: G74185. (On Time performance: 42 - Average Delay: 23 minutes)
- Flight Number: G74416.

United Airlines
- Flight Number: UA2614. (On Time performance: 53 - Average Delay: 19 minutes)
- Flight Number: UA2618. (On Time performance: 77 - Average Delay: 13 minutes)
- Flight Number: UA3654. (On Time performance: 83 - Average Delay: 13 minutes)
- Flight Number: UA4185. (On Time performance: 65 - Average Delay: 37 minutes)
- Flight Number: UA4416. (On Time performance: 73 - Average Delay: 35 minutes)
- Flight Number: UA4518. (On Time performance: 72 - Average Delay: 42 minutes)
- Flight Number: UA455. (On Time performance: 87 - Average Delay: 5 minutes)
- Flight Number: UA4613. (On Time performance: 84 - Average Delay: 15 minutes)
- Flight Number: UA5557. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: UA5731. (On Time performance: 78 - Average Delay: 15 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 May 01, 2025 to May 21, 2025, we have obtained these figures.
Total number of flights: 20
On Time: 16 ( 80 % )
Moderate Delay: 2 ( 10 % )
Significant Delay: 1 ( 5 % )
Major Delay: 1 ( 5 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 8 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 May 01, 2025 to May 21, 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 UA5397

Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
21 May
11:07 am
Chicago (ORD)
12:22 pm
Saint Louis (STL)
01h 15min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Tuesday
20 May
10:45 am
Chicago (ORD)
12:08 pm
Saint Louis (STL)
01h 23min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Monday
19 May
10:46 am
Chicago (ORD)
11:57 am
Saint Louis (STL)
01h 11min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Sunday
18 May
10:49 am
Chicago (ORD)
12:10 pm
Saint Louis (STL)
01h 21min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Saturday
17 May
10:50 am
Chicago (ORD)
12:24 pm
Saint Louis (STL)
01h 34min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Friday
16 May
10:54 am
Chicago (ORD)
12:18 pm
Saint Louis (STL)
01h 24min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Thursday
15 May
11:04 am
Chicago (ORD)
12:38 pm
Saint Louis (STL)
01h 34min
Canadair (Bomb
Canadair (Bomb
Landed - Delayed
Wednesday
14 May
10:50 am
Chicago (ORD)
12:10 pm
Saint Louis (STL)
01h 20min
Canadair (Bomb
Canadair (Bomb
Landed - On-time