Southwest Airlines WN378 Flight Status : Live Tracking & Updates

Domestic flight Southwest Airlines WN378 takes off from Denver (DEN) United States to Boston (BOS) United States. It's operated by Southwest Airlines. The plane leaves Denver International Airport at 19:00 25 May 2026 America/Denver. The flight is expected to land at Logan International Airport at 00:50 26 May 2026 America/New_York. The flight will last about 3 hours 50 minutes.

Current status of WN378 is Scheduled Delayed by 23m Estimated Depart in 7 hours, 4 minutes

WN378 - SWA378 Southwest Airlines (WN)
DEN Denver United States
Flight DEN to BOS
BOS Boston United States
Scheduled Delayed by 23m Estimated Depart in 7 hours, 4 minutes
Departure Denver International Airport
IATA: DENICAO: KDEN
Scheduled 19:00 25 May 2026
Estimated 19:23 25 May 2026
None None
Arrival Logan International Airport
IATA: BOSICAO: KBOS
Scheduled 00:50 26 May 2026
Estimated 01:13 26 May 2026
B None
WN378 Detail
  • Type: Domestic Flight
  • Flight Duration: 3 hours 50 minutes
  • Flight Distance: 2822 kms / 1753 miles
Airline
  • Southwest Airlines
  • IATA: WN
  • ICAO: SWA
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 143
  • Freight capacity: 8.4 tons
  • Passenger classes: Economy, Premium Economy
More Detail
  • Aircraft: Boeing 737MAX 8 Passenger
  • Callsign: F-KATY2
  • Departure Timezone: America/Denver
  • Arrival Timezone: America/New_York
  • Current Time in Denver: Monday 2026-05-25 12:19 PM
  • Current Time in Boston: Monday 2026-05-25 14:19 PM

Southwest Airlines WN378 Flight Statistics

Southwest Airlines
Southwest Airlines
FLIGHT NO WN378
AIRPLANE Boeing 737MAX 8 Passenger
ON TIME 10
DELAYED 4
CANCELLED 0
ON TIME 17
DELAYED 6
CANCELLED 0
ON TIME 20
DELAYED 8
CANCELLED 0
ON TIME 30
DELAYED 10
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

Southwest Airlines WN378 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Fri 22 May
Scheduled Delayed by 1h 10m
Denver (DEN) 2026-05-22T19:00
Boston (BOS) 2026-05-23T00:50
Sat 16 May
Arrived On time
Denver (DEN) 2026-05-16T17:45
Boston (BOS) 2026-05-16T23:50
2026-05-16T18:03
2026-05-16T23:42
Fri 15 May
Scheduled On time
Denver (DEN) 2026-05-15T19:00
Boston (BOS) 2026-05-16T00:50
Thu 14 May
Scheduled Delayed by 39m
Denver (DEN) 2026-05-14T19:00
Boston (BOS) 2026-05-15T00:50
Wed 13 May
Departed On time
Denver (DEN) 2026-05-13T18:00
Boston (BOS) 2026-05-14T00:05
2026-05-13T18:19
Tue 12 May
Scheduled On time
Denver (DEN) 2026-05-12T18:00
Boston (BOS) 2026-05-13T00:05
Mon 11 May
Scheduled On time
Denver (DEN) 2026-05-11T19:00
Boston (BOS) 2026-05-12T00:50
Sat 09 May
Scheduled On time
Denver (DEN) 2026-05-09T17:45
Boston (BOS) 2026-05-09T23:50
Fri 08 May
Scheduled Delayed by 1h 29m
Denver (DEN) 2026-05-08T19:00
Boston (BOS) 2026-05-09T00:50
Thu 07 May
Arrived Delayed by 51m
Denver (DEN) 2026-05-07T19:00
Boston (BOS) 2026-05-08T00:50
2026-05-07T20:14
2026-05-08T01:41

Flight routes similar to Southwest Airlines WN378

Airline Flight no Departure Arrival
JetBlue Airways B6494
JetBlue Airways 		25/05/2026
14:20 		3 hours 5 minutes
20:19
Icelandair FI7886
Icelandair 		25/05/2026
14:20 		3 hours 59 minutes
20:19
JetBlue Airways B6994
JetBlue Airways 		25/05/2026
22:34 		3 hours 5 minutes
04:29
United Airlines UA558
United Airlines 		25/05/2026
07:45 		4 hours 0 minutes
13:49
United Airlines UA1356
United Airlines 		25/05/2026
17:40 		4 hours 0 minutes
23:44
British Airways BA8401
British Airways 		25/05/2026
22:34 		3 hours 55 minutes
04:29
Southwest Airlines WN2882
Southwest Airlines 		25/05/2026
11:15 		3 hours 47 minutes
17:10
TAP Portugal TP4280
TAP Portugal 		25/05/2026
14:20 		3 hours 59 minutes
20:19

Southwest Airlines Flight WN378 FAQs

What is the scheduled flight duration for Southwest Airlines WN378 flight?

On average, nonstop flight takes 3 hour(s) 50 minutes, with the flight distance of 2822 km (1753 miles).

What is the current status of Southwest Airlines WN378 flight?

The current status of flight Southwest Airlines WN378 is Scheduled Delayed by 23m.

What type of aircraft is used for the Southwest Airlines WN378 flight?

All Southwest Airlines WN378 flights are operated using Boeing 737MAX 8 Passenger aircraft.

When does the flight Southwest Airlines WN378 arrive?

Flight Southwest Airlines WN378 arrives at 00:50.

Which terminal the flight Southwest Airlines WN378 is arriving at?

Flight Southwest Airlines WN378 arrives in Logan International Airport at Terminal B.

How many Southwest Airlines WN378 flights are operated a week?

7 flights per week. The Flight Southwest Airlines WN378 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .