What type of aircraft is N321NB?

N321NB is a Airbus A319-114 with 145 seats, according to the FAA aircraft register.

Which airline flies N321NB?

Delta Air Lines (DL) flew N321NB most recently, according to US Department of Transportation flight records for July 2026.

Where does N321NB fly?

Its most frequent route in the last 12 months was Los Angeles to Portland (48 flights). It flew 1,488 flights in total, about 124 a month.

N321NB was built in 2001, so it is 25 years old.

Is N321NB usually on time?

83% 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 · DL

N321NB

Airbus A319-114, Delta Air Lines

N321NB is a Airbus A319-114 flown by Delta Air Lines, built in 2001. From August 2025 to July 2026 it flew 1,488 flights, most often Los Angeles to Portland, and 83% arrived within 15 minutes of schedule.

1,488

flights in 12 months

83%

on time (within 15 min)

airports

25 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 N321NB flies

Los Angeles to PortlandLAX to PDX48 flights
Portland to Los AngelesPDX to LAX48 flights
Salt Lake City to Jacksn HoleSLC to JAC23 flights
Jacksn Hole to Salt Lake CityJAC to SLC21 flights
Washington to DetroitDCA to DTW16 flights
Detroit to WashingtonDTW to DCA15 flights
Boston to Raleigh-durhamBOS to RDU15 flights
Raleigh-durham to BostonRDU to BOS15 flights
Denver to Los AngelesDEN to LAX14 flights
Houston to DetroitIAH to DTW13 flights

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

Month by month

Share of N321NB 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	92%	1.5%	137
September 2025	93%	0%	134
October 2025	91%	0%	116
November 2025	82%	4%	124
December 2025	69%	3.3%	122
January 2026	71%	4.6%	109
February 2026	85%	0%	94
March 2026	83%	0.8%	127
April 2026	88%	0.8%	130
May 2026	85%	0%	125
June 2026	81%	3.1%	131
July 2026	78%	2.9%	139

Questions and answers

What type of aircraft is N321NB?: N321NB is a Airbus A319-114 with 145 seats, according to the FAA aircraft register.
Which airline flies N321NB?: Delta Air Lines (DL) flew N321NB most recently, according to US Department of Transportation flight records for July 2026.
Where does N321NB fly?: Its most frequent route in the last 12 months was Los Angeles to Portland (48 flights). It flew 1,488 flights in total, about 124 a month.
How old is N321NB?: N321NB was built in 2001, so it is 25 years old.
Is N321NB usually on time?: 83% 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 Delta Air Lines compares with every other US airline.

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