Home / Routes / KORD → KSEA8,773 scheduled
ORD SEA4h 18m

The route from Chicago O'Hare International Airport (KORD) in Chicago to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 8,773 scheduled flights on this route across 15 carriers. The most active operator is ASA (ASA). Average block time is 3h 45m. Departures average 43 minutes off schedule, with 62% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
8,773
last 543 days
ADS-B observed
1,289
Airlines
15
Avg dep delay
43m
Late >15 min
62.3%
Cancel rate
0.73%

Airlines on this route

16 carriers · scheduled

Alaska Airlines
ASA · AS · 2,651 flights · avg 42m delay · 61.7% late
23 cancelled
United Airlines
UAL · UA · 2,339 flights · avg 42m delay · 69.9% late
10 cancelled
American Airlines
AAL · AA · 2,072 flights · avg 47m delay · 60.2% late
21 cancelled
Delta Air Lines
DAL · DL · 1,377 flights · avg 41m delay · 59.6% late
9 cancelled
Korean Air Lines Co. Ltd
KAL · KE · 194 flights · avg 54m delay · 44.3% late
China Airlines
CAL · CI · 116 flights · avg 25m delay · 25.9% late
1 cancelled
Eva Airwaysoration
EVA · BR · 14 flights · avg 207m delay · 71.4% late
· TTT · 2 flights · avg 0m delay · 0.0% late
Netjets Aviation
EJA · 1I · 1 flights · avg —m delay · 0.0% late
Frontier Airlines
FFT · F9 · 1 flights · avg 255m delay · 100.0% late
Airheon Co. Ltd
AIH · KJ · 1 flights · avg 10m delay · 0.0% late
Silk Way West Airlines
AZG · 7L · 1 flights · avg 51m delay · 100.0% late
Jag
JAG · AS · 1 flights · avg 186m delay · 100.0% late
Atlas Air
GTI · 5Y · 1 flights · avg 43m delay · 100.0% late
Omni Air International
OAE · OY · 1 flights · avg 10m delay · 0.0% late

Recent observed flights

From ADS-B trace data

ASA583N990AKB39M
2026-10-26 14:28  →  2026-10-26 18:25  ·  3h 57m
Replay
DAL2041N335DUBCS3
2026-10-26 11:53  →  2026-10-26 15:42  ·  3h 48m
Replay
AAL2392N132ANA321
2026-10-26 02:39  →  2026-10-26 06:39  ·  4h 0m
Replay
UAL2263N17406B39M
2026-10-26 01:39  →  2026-10-26 05:37  ·  3h 58m
Replay
ASA337N952AKB39M
2026-10-25 22:55  →  2026-10-26 03:10  ·  4h 14m
Replay
UAL1660N68802B739
2026-10-25 18:15  →  2026-10-25 22:09  ·  3h 53m
Replay
DAL1564N3752B738
2026-10-25 18:04  →  2026-10-25 21:57  ·  3h 53m
Replay
UAL2099N86534B738
2026-10-25 15:59  →  2026-10-25 19:50  ·  3h 51m
Replay
ASA583N267AKB739
2026-10-25 14:18  →  2026-10-25 18:13  ·  3h 55m
Replay
AAL3234N889NNB738
2026-10-25 11:54  →  2026-10-25 16:12  ·  4h 17m
Replay

Codeshare partnerships

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

sells ASA 1774
sells ASA 1585
sells ASA 1024
sells AAL 811
sells UAL 671
sells AAL 527
sells AAL 482
sells AAL 482
sells AAL 479
sells UAL 444
sells ASA 426
sells ASA 359
sells DAL 359
sells UAL 352
sells DAL 344
sells AAL 324
sells UAL 312
sells UAL 308
sells AAL 302
sells UAL 245

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737-900
B739
22%
of flights
AIRBUS Airbus A321
A321
20%
of flights
BOEING Boeing 737-800
B738
18%
of flights
BOEING Boeing 737 MAX 9
B39M
17%
of flights
AIRBUS Airbus A321 Neo
A21N
12%
of flights
BOEING Boeing 737 MAX 8
B38M
3%
of flights
BOEING Boeing 747-8
B748
1%
of flights
AIRBUS-BOMBARDIER Airbus A220-300
BCS3
1%
of flights

Looking for the return flight?

View KSEA → KORD