DL637 Delta Air Lines - Flight Status
Below, you can find details about Delta Air Lines flight DL637, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Chicago - Chicago O'Hare International Airport (Airport Code ORD).
This flight data pertains specifically to the flight's details for Monday, April 13, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights DL637
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights DL637
DL637 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
DL637 Delta Air Lines to Chicago
Landed - On-time
Flight Status for Monday April 13, 2026
This flight is also scheduled for Tomorrow (April 14, 2026). See it here
Landed - On-time
Flight Status for Monday April 13, 2026
Airline information
Delta Air Lines
Equipment: Airbus A220-300 Passenger
Departure
Seattle (SEA)
April 13, 2026
Seattle-Tacoma International Airport
Departed at:
10:26 am
Gate:
A1
Scheduled Departure Time: 10:35 am
Arrival
Chicago (ORD)
April 13, 2026
Chicago O'Hare International Airport
Arrived at:
04:35 pm
Terminal:
5
Gate:
M7
Scheduled Arrival Time: 04:39 pm
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.seattle-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- SK3466 - SAS Scandinavian Airlines
Additional Information
Which is the frequency of flight DL637?
The flight DL637 is currently not scheduled at Seattle Airport - SEATAC.
Which is the distance of flight DL637?
The distance between the two airports is 1716 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Seattle: 2026-04-13 20:49:54
Current Time in Chicago: 2026-04-13 22:49:54
The flight DL637 is currently not scheduled at Seattle Airport - SEATAC.
Which is the distance of flight DL637?
The distance between the two airports is 1716 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Seattle: 2026-04-13 20:49:54
Current Time in Chicago: 2026-04-13 22:49:54
Alternative Flights
The following airlines serves the same route between Seattle and Chicago:
American Airlines
- Flight Number: AA1106. (On Time performance: 67 - Average Delay: 66 minutes)
- Flight Number: AA2398. (On Time performance: 62 - Average Delay: 29 minutes)
- Flight Number: AA2741.
- Flight Number: AA2768.
- Flight Number: AA2775. (On Time performance: 91 - Average Delay: 8 minutes)
- Flight Number: AA885. (On Time performance: 84 - Average Delay: 28 minutes)
Alaska Airlines
- Flight Number: AS265. (On Time performance: 82 - Average Delay: 15 minutes)
- Flight Number: AS328. (On Time performance: 95 - Average Delay: 2 minutes)
- Flight Number: AS410. (On Time performance: 76 - Average Delay: 15 minutes)
- Flight Number: AS538. (On Time performance: 83 - Average Delay: 13 minutes)
China Cargo Airlines
- Flight Number: CK225. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: CK227. (On Time performance: 91 - Average Delay: 4 minutes)
Delta Air Lines
- Flight Number: DL1564. (On Time performance: 79 - Average Delay: 36 minutes)
- Flight Number: DL2108. (On Time performance: 78 - Average Delay: 21 minutes)
United Airlines
- Flight Number: UA1653. (On Time performance: 88 - Average Delay: -1 minutes)
- Flight Number: UA1763. (On Time performance: 83 - Average Delay: 9 minutes)
- Flight Number: UA2101. (On Time performance: 67 - Average Delay: 25 minutes)
- Flight Number: UA2618. (On Time performance: 85 - Average Delay: 29 minutes)
- Flight Number: UA2651. (On Time performance: 80 - Average Delay: 12 minutes)
- Flight Number: UA464. (On Time performance: 77 - Average Delay: 38 minutes)
- Flight Number: UA747. (On Time performance: 89 - Average Delay: 20 minutes)
American Airlines
- Flight Number: AA1106. (On Time performance: 67 - Average Delay: 66 minutes)
- Flight Number: AA2398. (On Time performance: 62 - Average Delay: 29 minutes)
- Flight Number: AA2741.
- Flight Number: AA2768.
- Flight Number: AA2775. (On Time performance: 91 - Average Delay: 8 minutes)
- Flight Number: AA885. (On Time performance: 84 - Average Delay: 28 minutes)
Alaska Airlines
- Flight Number: AS265. (On Time performance: 82 - Average Delay: 15 minutes)
- Flight Number: AS328. (On Time performance: 95 - Average Delay: 2 minutes)
- Flight Number: AS410. (On Time performance: 76 - Average Delay: 15 minutes)
- Flight Number: AS538. (On Time performance: 83 - Average Delay: 13 minutes)
China Cargo Airlines
- Flight Number: CK225. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: CK227. (On Time performance: 91 - Average Delay: 4 minutes)
Delta Air Lines
- Flight Number: DL1564. (On Time performance: 79 - Average Delay: 36 minutes)
- Flight Number: DL2108. (On Time performance: 78 - Average Delay: 21 minutes)
United Airlines
- Flight Number: UA1653. (On Time performance: 88 - Average Delay: -1 minutes)
- Flight Number: UA1763. (On Time performance: 83 - Average Delay: 9 minutes)
- Flight Number: UA2101. (On Time performance: 67 - Average Delay: 25 minutes)
- Flight Number: UA2618. (On Time performance: 85 - Average Delay: 29 minutes)
- Flight Number: UA2651. (On Time performance: 80 - Average Delay: 12 minutes)
- Flight Number: UA464. (On Time performance: 77 - Average Delay: 38 minutes)
- Flight Number: UA747. (On Time performance: 89 - Average Delay: 20 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from April 02, 2025 to May 06, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from April 02, 2025 to May 06, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Last Past Flights DL637
No flights for DL637 were scheduled in the past month. The last flight took place on Monday, April 13, 2026