Home / Routes / KSEA → KORD7,177 scheduled
SEA ORD3h 50m

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Chicago O'Hare International Airport (KORD) in Chicago. SkyMeter tracks roughly 7,177 scheduled flights on this route across 16 carriers. The most active operator is ASA (ASA). Average block time is 3h 39m. Departures average 36 minutes off schedule, with 54% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-800.

Scheduled
7,177
last 487 days
ADS-B observed
1,385
Airlines
16
Avg dep delay
36m
Late >15 min
54.0%
Cancel rate
0.95%

Airlines on this route

11 carriers · scheduled

Alaska Airlines
ASA · AS · 2,203 flights · avg 34m delay · 66.9% late
14 cancelled
United Airlines
UAL · UA · 1,892 flights · avg 30m delay · 45.9% late
22 cancelled
American Airlines
AAL · AA · 1,606 flights · avg 41m delay · 51.2% late
25 cancelled
Delta Air Lines
DAL · DL · 1,086 flights · avg 33m delay · 51.5% late
6 cancelled
China Cargo Airlines Ltd
CKK · CK · 382 flights · avg 57m delay · 38.5% late
Silk Way West Airlines
AZG · 7L · 2 flights · avg 60m delay · 100.0% late
Jag
JAG · AS · 2 flights · avg 52m delay · 100.0% late
Aer Lingus Teoranta
EIN · EI · 1 flights · avg —m delay · 0.0% late
1 cancelled
· UAL · 1 flights · avg —m delay · 0.0% late
Cathay Pacific Airways Ltd
CPA · CX · 1 flights · avg 123m delay · 100.0% late
Cargolux Airlines International S.a
CLX · CV · 1 flights · avg 130m delay · 100.0% late

Recent observed flights

From ADS-B trace data

DAL2055N3731TB738
2026-09-01 14:13  →  2026-09-01 18:09  ·  3h 55m
Replay
UAL2618N54552A21N
2026-09-01 13:58  →  2026-09-01 17:48  ·  3h 50m
Replay
ASA410N719ALB39M
2026-09-01 12:57  →  2026-09-01 16:47  ·  3h 49m
Replay
ASA328N964AKB39M
2026-09-01 08:51  →  2026-09-01 12:52  ·  4h 0m
Replay
AAL2379N157UWA321
2026-09-01 07:16  →  2026-09-01 10:59  ·  3h 42m
Replay
UAL747N27271B38M
2026-09-01 05:57  →  2026-09-01 09:49  ·  3h 52m
Replay
ASA538N972AKB39M
2026-09-01 02:19  →  2026-09-01 05:53  ·  3h 34m
Replay
AAL1476N164NNA321
2026-08-31 23:21  →  2026-09-01 04:05  ·  4h 43m
Replay
UAL2835N38459B739
2026-08-31 18:35  →  2026-08-31 23:25  ·  4h 49m
Replay
DAL2055N392DAB738
2026-08-31 15:12  →  2026-08-31 18:48  ·  3h 36m
Replay

Codeshare partnerships

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

sells ASA 1767
sells ASA 1463
sells ASA 1028
sells AAL 953
sells AAL 928
sells AAL 748
sells UAL 695
sells AAL 687
sells AAL 680
sells DAL 510
sells ASA 486
sells AAL 476
sells DAL 421
sells UAL 377
sells UAL 357
sells ASA 357
sells UAL 357
sells UAL 357
sells UAL 342
sells AAL 323

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737-800
B738
31%
of flights
BOEING Boeing 737-900
B739
20%
of flights
BOEING Boeing 737 MAX 9
B39M
15%
of flights
AIRBUS Airbus A321
A321
13%
of flights
AIRBUS Airbus A321 Neo
A21N
11%
of flights
BOEING Boeing 737 MAX 8
B38M
6%
of flights
AIRBUS Airbus A320
A320
0%
of flights
AIRBUS Airbus A320 Neo
A20N
0%
of flights

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View KORD → KSEA