Informational Guide to Boston Logan Airport (BOS) - NON OFFICIAL

DL5591 Delta Air Lines - Flight Status

Codeshare Flights
The flight KE3167 from Korean Air (KE) is a codeshare flight operated by Delta Air Lines (DL) under the flight number DL5591. Check this page for details about flight DL5591.

Below, you can find details about Delta Air Lines flight DL5591, which currently operates between the airports of Boston - Boston Logan International Airport (Airport Code BOS) and Chicago - Chicago O'Hare International Airport (Airport Code ORD).
This flight data pertains specifically to the flight's details for Tuesday, December 23, 2025.

DL5591 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

DL5591 Delta Air Lines to Chicago

Scheduled
Flight Status for Tuesday December 23, 2025
This flight was also scheduled for Yesterday (December 21, 2025). See it here
This flight is also scheduled for Today (December 22, 2025). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Embraer 175

Departure

Boston (BOS)
December 23, 2025
Boston Logan International Airport
Scheduled Departure Time:
02:50 pm
Terminal:
A
Gate:
-
Scheduled Departure Time: 02:50 pm

Arrival

Chicago (ORD)
December 23, 2025
Chicago O'Hare International Airport
Scheduled Arrival Time:
04:56 pm
Terminal:
5
Gate:
-
Scheduled Arrival Time: 04:56 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.boston-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:

- KE3167 - Korean Air

- KL5659 - KLM Royal Dutch Airlines

- VS3446 - Virgin Atlantic

Additional Information

Which is the frequency of flight DL5591?
The flight DL5591 is scheduled to flight on Monday, Saturday, Sunday on a weekly basis.

Which is the distance of flight DL5591?
The distance between the two airports is 864 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 Boston: 2025-12-22 08:03:29
Current Time in Chicago: 2025-12-22 07:03:29

Alternative Flights

The following airlines serves the same route between Boston and Chicago:

American Airlines
- Flight Number: AA1328. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: AA1443. (On Time performance: 62 - Average Delay: 37 minutes)
- Flight Number: AA1562.
- Flight Number: AA2500. (On Time performance: 62 - Average Delay: 23 minutes)
- Flight Number: AA3294.
- Flight Number: AA3477. (On Time performance: 60 - Average Delay: 27 minutes)
- Flight Number: AA3691. (On Time performance: 69 - Average Delay: 28 minutes)
- Flight Number: AA379. (On Time performance: 40 - Average Delay: 75 minutes)
- Flight Number: AA3799. (On Time performance: 88 - Average Delay: 28 minutes)
- Flight Number: AA4391. (On Time performance: 60 - Average Delay: 62 minutes)
- Flight Number: AA4392. (On Time performance: 62 - Average Delay: 27 minutes)
- Flight Number: AA4404.
- Flight Number: AA4413. (On Time performance: 62 - Average Delay: 33 minutes)
- Flight Number: AA4488. (On Time performance: 50 - Average Delay: 29 minutes)
- Flight Number: AA4618. (On Time performance: 79 - Average Delay: 17 minutes)
- Flight Number: AA4649.
- Flight Number: AA488. (On Time performance: 77 - Average Delay: 19 minutes)
- Flight Number: AA913.

JetBlue
- Flight Number: B6311. (On Time performance: 80 - Average Delay: 18 minutes)
- Flight Number: B6811. (On Time performance: 68 - Average Delay: 29 minutes)

Delta Air Lines
- Flight Number: DL2570. (On Time performance: 67 - Average Delay: 23 minutes)
- Flight Number: DL2646. (On Time performance: 54 - Average Delay: 41 minutes)
- Flight Number: DL2676. (On Time performance: 35 - Average Delay: 54 minutes)
- Flight Number: DL2679. (On Time performance: 66 - Average Delay: 27 minutes)

United Airlines
- Flight Number: UA1015. (On Time performance: 44 - Average Delay: 44 minutes)
- Flight Number: UA1301. (On Time performance: 61 - Average Delay: 40 minutes)
- Flight Number: UA1314. (On Time performance: 80 - Average Delay: 20 minutes)
- Flight Number: UA1349. (On Time performance: 81 - Average Delay: 23 minutes)
- Flight Number: UA1414. (On Time performance: 94 - Average Delay: 7 minutes)
- Flight Number: UA1732. (On Time performance: 80 - Average Delay: 20 minutes)
- Flight Number: UA2040. (On Time performance: 47 - Average Delay: 37 minutes)
- Flight Number: UA2229. (On Time performance: 43 - Average Delay: 79 minutes)
- Flight Number: UA2467. (On Time performance: 72 - Average Delay: 28 minutes)
- Flight Number: UA270.

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 December 19, 2024 to June 07, 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.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.

Last Past Flights DL5591

Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
21 December
03:17 pm
Boston (BOS)
05:24 pm
Chicago (ORD)
03h 07min
Embraer 170
Embraer 170
Landed - Delayed
Saturday
20 December
04:13 pm
Boston (BOS)
06:25 pm
Chicago (ORD)
03h 12min
Embraer 175
Embraer 175
Landed - Delayed