What type of aircraft is N278WN?

N278WN is a Boeing 737-7H4 with 143 seats, according to the FAA aircraft register.

Which airline flies N278WN?

Southwest Airlines (WN) flew N278WN most recently, according to US Department of Transportation flight records for July 2026.

Where does N278WN fly?

Its most frequent route in the last 12 months was Santa Ana to Oakland (11 flights). It flew 1,965 flights in total, about 164 a month.

N278WN was built in 2007, so it is 19 years old.

Is N278WN usually on time?

78% of its flights from August 2025 to July 2026 arrived within 15 minutes of schedule. Punctuality depends far more on the route and the airline's day than on the aircraft itself.

US aircraft · WN

N278WN

Boeing 737-7H4, Southwest Airlines

N278WN is a Boeing 737-7H4 flown by Southwest Airlines, built in 2007. From August 2025 to July 2026 it flew 1,965 flights, most often Santa Ana to Oakland, and 78% arrived within 15 minutes of schedule.

1,965

flights in 12 months

78%

on time (within 15 min)

airports

19 yr

age

August 2025 to July 2026. Flights from US Bureau of Transportation Statistics on-time records (public domain); aircraft details from the FAA aircraft register.

Where N278WN flies

Santa Ana to OaklandSNA to OAK11 flights
Sacramento to San DiegoSMF to SAN10 flights
San Jose to Santa AnaSJC to SNA9 flights
Burbank to OaklandBUR to OAK8 flights
Oakland to BurbankOAK to BUR6 flights
San Diego to SacramentoSAN to SMF5 flights
Sacramento to BurbankSMF to BUR5 flights
San Diego to San JoseSAN to SJC5 flights
Burbank to SacramentoBUR to SMF4 flights
Washington to AtlantaDCA to ATL4 flights

Its most frequent routes over the period. Each links to that route's punctuality page.

Month by month

Share of N278WN flights arriving within 15 minutes of schedule, by month. Green is the best month, orange the worst.

See the figures

Month	On time	Cancelled	Flights
August 2025	79%	0%	147
September 2025	78%	0%	143
October 2025	81%	0.6%	169
November 2025	85%	0.6%	162
December 2025	68%	0.6%	156
January 2026	87%	1.3%	153
February 2026	84%	1.3%	157
March 2026	67%	2.2%	183
April 2026	83%	0.6%	155
May 2026	80%	0%	187
June 2026	73%	0%	171
July 2026	75%	2.2%	182

Questions and answers

What type of aircraft is N278WN?: N278WN is a Boeing 737-7H4 with 143 seats, according to the FAA aircraft register.
Which airline flies N278WN?: Southwest Airlines (WN) flew N278WN most recently, according to US Department of Transportation flight records for July 2026.
Where does N278WN fly?: Its most frequent route in the last 12 months was Santa Ana to Oakland (11 flights). It flew 1,965 flights in total, about 164 a month.
How old is N278WN?: N278WN was built in 2007, so it is 19 years old.
Is N278WN usually on time?: 78% of its flights from August 2025 to July 2026 arrived within 15 minutes of schedule. Punctuality depends far more on the route and the airline's day than on the aircraft itself.

See how Southwest Airlines compares with every other US airline.

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