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

WN378 Southwest Airlines - Flight Status

Below, you can find details about Southwest Airlines flight WN378, which currently operates between the airports of Saint Louis - St Louis Lambert International Airport (Airport Code STL) and Atlanta - Atlanta Hartsfield-Jackson International Airport (Airport Code ATL).
This flight data pertains specifically to the flight's details for Sunday, November 16, 2025.

WN378 On Time performance:
73
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

WN378 Southwest Airlines to Atlanta

Scheduled - On-time
Flight Status for Sunday November 16, 2025
This flight is also scheduled for Tomorrow (November 17, 2025). See it here

Airline information

Southwest Airlines
Southwest Airlines
Equipment: Boeing 737MAX 8 Passenger

Departure

Saint Louis (STL)
November 16, 2025
St Louis Lambert International Airport
Estimated Departure Time:
06:45 pm
Terminal:
2
Gate:
E33
Scheduled Departure Time: 06:45 pm

Arrival

Atlanta (ATL)
November 16, 2025
Atlanta Hartsfield-Jackson International Airport
Estimated Arrival Time:
09:15 pm
Terminal:
N
Gate:
C20
Scheduled Arrival Time: 09:15 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.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.

Additional Information

Which is the frequency of flight WN378?
The flight WN378 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight WN378?
The distance between the two airports is 484 miles.

Which is the flight time of flight WN378?
The scheduled flight time gate to gate is: 01:30 hours.
The real flight time gate to gate on average is: 01:28 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 Saint Louis: 2025-11-16 18:23:31
Current Time in Atlanta: 2025-11-16 19:23:31

Alternative Flights

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

Delta Air Lines
- Flight Number: DL1393. (On Time performance: 84 - Average Delay: 6 minutes)
- Flight Number: DL1485. (On Time performance: 86 - Average Delay: 12 minutes)
- Flight Number: DL1524. (On Time performance: 98 - Average Delay: 1 minutes)
- Flight Number: DL1536. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: DL1571. (On Time performance: 95 - Average Delay: 2 minutes)
- Flight Number: DL1703. (On Time performance: 93 - Average Delay: 3 minutes)
- Flight Number: DL2700. (On Time performance: 92 - Average Delay: 13 minutes)
- Flight Number: DL3156. (On Time performance: 87 - Average Delay: 10 minutes)

Frontier Airlines
- Flight Number: F94474. (On Time performance: 70 - Average Delay: 20 minutes)

Southwest Airlines
- Flight Number: WN1036. (On Time performance: 66 - Average Delay: 11 minutes)
- Flight Number: WN2415. (On Time performance: 82 - Average Delay: 10 minutes)
- Flight Number: WN2748. (On Time performance: 76 - Average Delay: 9 minutes)
- Flight Number: WN3049. (On Time performance: 93 - Average Delay: 4 minutes)
- Flight Number: WN356. (On Time performance: 100 - Average Delay: 3 minutes)
- Flight Number: WN551. (On Time performance: 83 - Average Delay: 42 minutes)
- Flight Number: WN968. (On Time performance: 100 - Average Delay: 0 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 November 02, 2025 to November 13, 2025, we have obtained these figures.
Total number of flights: 11
On Time: 8 ( 73 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 1 ( 9 % )
Major Delay: 2 ( 18 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 31 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: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions

Last Past Flights WN378

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
14 November
06:46 pm
Saint Louis (STL)
09:11 pm
Atlanta (ATL)
01h 25min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Thursday
13 November
06:36 pm
Saint Louis (STL)
09:00 pm
Atlanta (ATL)
01h 24min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Wednesday
12 November
08:09 am
Saint Louis (STL)
10:34 am
Atlanta (ATL)
01h 25min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
11 November
08:05 am
Saint Louis (STL)
10:24 am
Atlanta (ATL)
01h 19min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Monday
10 November
08:15 pm
Saint Louis (STL)
10:34 pm
Atlanta (ATL)
01h 19min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Sunday
09 November
10:33 pm
Saint Louis (STL)
12:55 am
Atlanta (ATL)
01h 22min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Friday
07 November
06:50 pm
Saint Louis (STL)
09:47 pm
Atlanta (ATL)
01h 57min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Thursday
06 November
06:45 pm
Saint Louis (STL)
09:10 pm
Atlanta (ATL)
01h 25min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Wednesday
05 November
08:05 am
Saint Louis (STL)
10:31 am
Atlanta (ATL)
01h 26min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
04 November
08:08 am
Saint Louis (STL)
10:36 am
Atlanta (ATL)
01h 28min
Boeing 737MAX
Boeing 737MAX
Landed - On-time