SEA → ORDSeattle to Chicago

live

Direct flights from Seattle (SEA) to Chicago (ORD): 28 nonstop departures observed each week across 4 airlines. 77% of the last 22 operated flights arrived within 15 minutes of schedule. The median arrival is 5 minutes early. No cancellations were recorded across the 22 tracked flights. The nonstop covers 2,762 km, an estimated 4 hours 2 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and Chicago. Updated 9 September 2026 at 16:39 UTC.

SEA Seattle heavy · +52
ORD Chicago smooth · +0
2,762 km · ~4h 02m est.
dep bank 00:16–23:5628x weekly
Runs mixed · 4 airlines · 28x weekly · nonstop
77% on time

of the last 22 operated SEA → ORD flights arrived within 15 minutes

Median arrival delay is −5 min. 0 of 22 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−5 minacross the last 22 operated legs
Flight time~4h 02mestimated from route distance
Weekly departures28x4 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 22

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesAmerican AirlinesDelta Air LinesUnited Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Alaska AirlinesAS100% on time

Flights AS328 00:16 daily · AS410 06:00 daily · AS265 08:33 daily · AS429 11:39 daily

American AirlinesAA43% on time

Flights AA1872 05:50 daily · AA3234 10:19 daily · AA2966 varies daily · AA1476 15:35 daily

Delta Air LinesDL

Flights DL2055 07:15 daily · DL637 10:50 daily · DL2108 17:35 daily

United AirlinesUA83% on time

Flights UA2618 07:00 daily · UA2835 10:41 daily · UA2101 13:57 daily · UA1265 17:13 daily

History

operated legs · board outcomes
09-09AA2379arrived+2
09-09AS328arrived−5
09-08AA1476arrived−34
09-08AA1872arrived−24
09-08AA2379arrived+706
09-08AA2966arrived+127
09-08AA3234arrived+50
09-08AS265arrived+14
09-08AS328arrived−3
09-08AS410arrived−8
09-08AS429arrived+6
09-08AS538arrived−5
09-08DL2055arrived−1
09-08DL2108arrived−13
09-08DL637arrived−32
09-08UA1265arrived−13
09-08UA2101arrived−24
09-08UA2618arrived−7
09-08UA2835arrived−8
09-08UA747arrived+45
09-07AA379arrived+704
09-07UA747arrived−17

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
SEASeattle +52 min heavy 🌤 scattered clouds · 6 kt Full SEA delay board →
ORDChicago +0 min smooth ⛅ mostly cloudy · WSW 8 kt Full ORD delay board →

Weather lens

Current conditions put the pressure at ORD: 48% odds of a 15+ minute delay and around +24 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Seattle to Chicago route actually runs

Pro Flight Search records official board updates for nonstop SEA to ORD flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Seattle (SEA) to Chicago (ORD) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/SEA-ORD
How we measure this →

SEA to ORD questions

Is SEA–ORD running on time right now?

Some delays possible. The departure side at SEA is the weaker end, route health score 65/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SEA–ORD?

Operators schedule morning departures around 00:16 and evening departures around 17:13 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the ORD delay card to confirm conditions when you'd arrive.

How long is the flight from SEA to ORD?

Great-circle distance is 2,762 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 225–267 min gate-to-gate on this route.

How often does SEA–ORD fly?

4 carriers operate this route, around 128 flights a week between them. Compare carrier days and times in the airline list above.