DL637: Delta flight 637
Seattle (SEA) → Chicago (ORD) · departs 10:39a, lands 4:53p local · Daily
The timetable below has every scheduled departure; for today's flight, check Delta.
An estimate from the published timetable, not live tracking: it cannot know about delays, diversions or cancellations.
Live status at Delta →The route
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DL637 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| SEA → ORDSeattle to Chicago | 10:39a | 4:53p | 4h14m | Daily |
| ORD → SEAChicago to Seattle | 4:00p | 6:44p | 4h44m | Sat |
Other nonstops from Seattle to Chicago
The departures either side of DL637. Times are Seattle time.
| Flight | Departs | Days |
|---|---|---|
| Alaska AS265 | 8:32a | Daily |
| American AA3234 | 10:31a | Mon, Tue, Wed, Thu, Sat, Sun |
| Alaska AS429 | 10:33a | Mon, Tue, Wed, Thu, Fri, Sun |
| This flight DL637 | 10:39a | Daily |
| United UA2835 | 10:42a | Daily |
| Alaska AS579 | 11:56a | Daily |
| United UA2369 | 1:56p | Daily |
All 19 flights from SEA to ORD, by time →
How DL637 ran in our sample
SEA → ORD
7 of 7 departures left within 15 minutes of schedule (Oct 14–20). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Airbus A220-300 on 7 of 7.
ORD → SEA
1 of 1 departures left within 15 minutes of schedule (Oct 31). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Boeing 737-800 on 1 of 1.
Other flights on this route: AS587 · DL2041 · AS583 · UA2099 · AA1476 · UA1660 · DL1564 · AA2672 · AS407 · UA1801 · AA3105 · DL1818 · AS337 · AS579 · UA2263 · AA2392 · all of them →
What time does DL637 leave Seattle?
DL637 is scheduled to depart Seattle (SEA) at 10:39a (daily), Seattle time, and to land in Chicago (ORD) at about 4:53p local time, a scheduled 4h14m. Times are the published ones from the flights we sampled Oct 14–20; check Delta for today's.
What time does DL637 leave Chicago?
DL637 is scheduled to depart Chicago (ORD) at 4:00p (Sat), Chicago time, and to land in Seattle (SEA) at about 6:44p local time, a scheduled 4h44m. Times are the published ones from the flights we sampled Oct 31; check Delta for today's.
What plane is DL637?
Airbus A220-300 on 7 of the 7 DL637 flights from SEA we sampled Oct 14–20. Airlines swap aircraft, so the plane on a given day can differ.
Does DL637 fly every day?
Yes — DL637 flew Seattle to Chicago every day of the week we sampled (Oct 14–20).
Is DL637 usually on time?
Of 7 DL637 departures from SEA we sampled Oct 14–20, 7 left within 15 minutes of the scheduled time. That counts only flights that departed — cancellations are not in our data — and one week is a small sample, so treat it as a hint, not a rating.
More Delta flights from Seattle
Timetable from Delta departures we observed; DL637 is a Delta Air Lines flight number, and Hop Nonstop is not affiliated with Delta. Schedules change — confirm with the airline before you travel.