| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 24 | SEA | ORD | 11:54 | 17:15 |
Landed Late
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| Aug 23 | SEA | ORD | 11:05 | 16:21 |
Landed
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| Aug 22 | SEA | ORD | 11:01 | 16:29 |
Landed
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| Aug 21 | SEA | ORD | 11:17 | 16:45 |
Landed
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| Aug 20 | SEA | ORD | 11:14 | 16:27 |
Landed
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| Aug 19 | SEA | ORD | 11:14 | 16:32 |
Landed
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| Aug 18 | SEA | ORD | 11:10 | 16:36 |
Landed
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| Aug 17 | SEA | ORD | 11:04 | 16:11 |
Landed
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| Aug 16 | SEA | ORD | 12:44 | 18:00 |
Delayed
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| Aug 15 | SEA | ORD | 11:06 | 16:28 |
Landed
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Delta Air Lines Flight DL637 connects Seattle, United States to Chicago, United States, taking off from Seattle Tacoma International Airport SEA and landing at Chicago O'Hare International Airport ORD.
How long is the DL637 flight from Seattle to Chicago?
The average flight time from Seattle to Chicago is 3 hours and 19 minutes. The flight distance is 2762 km / 1716 miles and the average flight speed is 831 km/h / 517 mph.
How many DL637 flights are operated per week?
6 flights per week. The flight DL637 is operated on Monday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL637 Seattle to Chicago?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL637 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL637 arriving at?
Flight DL637 arrives at Chicago O'Hare International Airport (ORD) Terminal 5.
When was the latest DL637 flight?
The latest flight took off on Monday, August 24th, 2026 with the flight status being Landed on 17:15.
How else can the flight DL637 be referenced as?
This Delta Air Lines flight can also be referenced as DAL637, DL0637, DL 637, DAL 637.
How often is flight DL637 delayed?
On average, 20% of all DL637 flights are delayed. The average delay is 37 minutes.
Can I get compensation for my delayed or cancelled DL637 flight or baggage issues?
If your DL637 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our DL637 Flight Tracker above for more details.
Flight DL637 is code-shared by 1 airline using the flight number SK3466
Other flights departing from Seattle SEA: DL1061, AS341, WN142, AS612
Other flights arriving at Chicago ORD: OO5623, UA1382, G74179, YX3595
All flights connecting Seattle SEA to Chicago ORD.