WN3976 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN3976, which currently operates between the airports of Chicago - Chicago Midway International Airport (Airport Code MDW) and Portland - Portland International Airport (Airport Code PDX).
This flight data pertains specifically to the flight's details for Wednesday, March 18, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN3976
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN3976
WN3976 On Time performance:
29
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
WN3976 Southwest Airlines from Chicago
Scheduled - On-time
Flight Status for Wednesday March 18, 2026
This flight was also scheduled for Yesterday (March 17, 2026). See it here
Scheduled - On-time
Flight Status for Wednesday March 18, 2026
Airline information
Southwest Airlines
Equipment: Boeing 737MAX 8 Passenger
Departure
Chicago (MDW)
March 18, 2026
Chicago Midway International Airport
Estimated Departure Time:
08:45 pm
Terminal:
-
Gate:
B22
Scheduled Departure Time: 08:45 pm
Arrival
Portland (PDX)
March 18, 2026
Portland International Airport
Estimated Arrival Time:
11:10 pm
Concourse:
-
Gate:
-
Scheduled Arrival Time: 11:10 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.portland-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 WN3976?
The flight WN3976 is scheduled to flight on Monday, Tuesday, Wednesday, Friday, Saturday, Sunday on a weekly basis.
Which is the distance of flight WN3976?
The distance between the two airports is 1747 miles.
Which is the flight time of flight WN3976?
The scheduled flight time gate to gate is: 04:25 hours.
The real flight time gate to gate on average is: 04:54 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 Chicago: 2026-03-18 12:14:50
Current Time in Portland: 2026-03-18 10:14:50
The flight WN3976 is scheduled to flight on Monday, Tuesday, Wednesday, Friday, Saturday, Sunday on a weekly basis.
Which is the distance of flight WN3976?
The distance between the two airports is 1747 miles.
Which is the flight time of flight WN3976?
The scheduled flight time gate to gate is: 04:25 hours.
The real flight time gate to gate on average is: 04:54 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 Chicago: 2026-03-18 12:14:50
Current Time in Portland: 2026-03-18 10:14:50
Alternative Flights
The following airline serve the same route between Chicago and Portland:
Southwest Airlines - Flight Number: WN3975. (On Time performance: 33 - Average Delay: 84 minutes)
Southwest Airlines - Flight Number: WN3975. (On Time performance: 33 - Average Delay: 84 minutes)
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 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
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from March 06, 2026 to March 13, 2026, we have obtained these figures.
Total number of flights: 7
On Time: 2 ( 29 % )
Moderate Delay: 1 ( 14 % )
Significant Delay: 1 ( 14 % )
Major Delay: 3 ( 43 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 45 minutes.
Total number of flights: 7
On Time: 2 ( 29 % )
Moderate Delay: 1 ( 14 % )
Significant Delay: 1 ( 14 % )
Major Delay: 3 ( 43 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 45 minutes.
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 WN3976
Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
17 March
17 March
09:40 pm
Chicago (MDW)
Chicago (MDW)
12:27 am
Portland (PDX)
Portland (PDX)
04h 47min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Tuesday
17 March
17 March
12:08 am
Chicago (MDW)
Chicago (MDW)
02:45 am
Portland (PDX)
Portland (PDX)
04h 37min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Monday
16 March
16 March
01:09 am
Chicago (MDW)
Chicago (MDW)
03:32 am
Portland (PDX)
Portland (PDX)
04h 23min
Boeing 737MAX
Boeing 737MAX
Sunday
15 March
15 March
10:50 pm
Chicago (MDW)
Chicago (MDW)
01:14 am
Portland (PDX)
Portland (PDX)
04h 24min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Saturday
14 March
14 March
11:15 pm
Chicago (MDW)
Chicago (MDW)
02:10 am
Portland (PDX)
Portland (PDX)
04h 55min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Friday
13 March
13 March
10:41 pm
Chicago (MDW)
Chicago (MDW)
01:51 am
Portland (PDX)
Portland (PDX)
05h 10min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Wednesday
11 March
11 March
08:47 pm
Chicago (MDW)
Chicago (MDW)
11:47 pm
Portland (PDX)
Portland (PDX)
05h 00min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Tuesday
10 March
10 March
08:47 pm
Chicago (MDW)
Chicago (MDW)
01:11 am
Portland (PDX)
Portland (PDX)
06h 24min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Tuesday
10 March
10 March
10:29 pm
Chicago (MDW)
Chicago (MDW)
01:07 am
Portland (PDX)
Portland (PDX)
04h 38min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Monday
09 March
09 March
10:35 pm
Chicago (MDW)
Chicago (MDW)
01:14 am
Portland (PDX)
Portland (PDX)
04h 39min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed