Home / Routes / KSEA → KJFK4,335 scheduled
SEA JFK5h 9m

The route from Seattle Tacoma International Airport (KSEA) in Seattle to John F Kennedy International Airport (KJFK) in New York. SkyMeter tracks roughly 4,335 scheduled flights on this route across 14 carriers. The most active operator is ASA (ASA). Average block time is 4h 28m. Departures average 36 minutes off schedule, with 58% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321 Neo.

Scheduled
4,335
last 543 days
ADS-B observed
555
Airlines
14
Avg dep delay
36m
Late >15 min
58.0%
Cancel rate
1.96%

Airlines on this route

6 carriers · scheduled

Alaska Airlines
ASA · AS · 1,955 flights · avg 34m delay · 56.1% late
43 cancelled
Delta Air Lines
DAL · DL · 1,909 flights · avg 35m delay · 63.4% late
35 cancelled
Jetblue Airwaysoration
JBU · B6 · 336 flights · avg 47m delay · 40.4% late
7 cancelled
China Cargo Airlines Ltd
CKK · CK · 133 flights · avg 60m delay · 52.6% late
Kalitta Air
CKS · K4 · 1 flights · avg 186m delay · 100.0% late
American Airlines
AAL · AA · 1 flights · avg —m delay · 0.0% late

Recent observed flights

From ADS-B trace data

DAL1065N530DEA21N
2026-10-25 22:59  →  2026-10-26 04:24  ·  5h 24m
Replay
ASA26N251AKB739
2026-10-25 16:26  →  2026-10-25 21:37  ·  5h 10m
Replay
CKK231B-221WB77L
2026-10-25 15:22  →  2026-10-25 20:28  ·  5h 6m
Replay
ASA16N492ASB739
2026-10-25 13:59  →  2026-10-25 19:13  ·  5h 14m
Replay
DAL452N533DTA21N
2026-10-25 06:08  →  2026-10-25 11:17  ·  5h 8m
Replay
JBU264N580JBA320
2026-10-25 00:00  →  2026-10-25 10:10  ·  10h 10m
Replay
DAL429N582DNA21N
2026-10-24 14:06  →  2026-10-24 19:09  ·  5h 2m
Replay
ASA16N298AKB739
2026-10-24 13:52  →  2026-10-24 18:58  ·  5h 6m
Replay
DAL452N515DEA21N
2026-10-24 06:11  →  2026-10-24 11:20  ·  5h 9m
Replay
ASA22N731ALB39M
2026-10-24 06:09  →  2026-10-24 11:11  ·  5h 2m
Replay

Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells ASA 1370
sells ASA 1357
sells DAL 1311
sells ASA 1168
sells DAL 895
sells DAL 767
sells DAL 715
sells DAL 691
sells DAL 689
sells DAL 592
sells DAL 516
sells DAL 382
sells DAL 359
sells ASA 314
sells ASA 246
sells DAL 191
sells JBU 179
sells JBU 147
sells JBU 124
sells JBU 116

Typical aircraft

Observed via ADS-B on this route

AIRBUS Airbus A321 Neo
A21N
43%
of flights
BOEING Boeing 737-900
B739
19%
of flights
BOEING Boeing 737 MAX 9
B39M
18%
of flights
AIRBUS Airbus A320
A320
6%
of flights
BOEING Boeing 737-800
B738
5%
of flights
AIRBUS Airbus A321
A321
4%
of flights
BOEING Boeing 737 MAX 8
B38M
1%
of flights
BOEING Boeing 777-200LRF/LR
B77L
0%
of flights

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