Informational Guide to John F. Kennedy International - New York (JFK) - NON OFFICIAL

DL1 Delta Air Lines - Flight Status

Codeshare Flights
The flight AF8991 from Air France (AF) is a codeshare flight operated by Delta Air Lines (DL) under the flight number DL1. Check this page for details about flight DL1.

Below, you can find details about Delta Air Lines flight DL1, which currently operates between the airports of New York - New York John F. Kennedy International Airport (Airport Code JFK) and London - London Heathrow Airport (Airport Code LHR).
This flight data pertains specifically to the flight's details for Thursday, August 14, 2025.

DL1 On Time performance:
72
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

DL1 Delta Air Lines to London

En Route - On-time
Delay: 10 minutes
Flight Status for Thursday August 14, 2025
This flight is also scheduled for Today (August 15, 2025). See it here
This flight is also scheduled for Tomorrow (August 16, 2025). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Boeing 767-400 Passenger

Departure

New York (JFK)
August 14, 2025
New York John F. Kennedy International Airport
Departed at:
08:34 pm
Terminal:
4
Gate:
B31
Scheduled Departure Time: 08:30 pm

Arrival

London (LHR)
August 15, 2025
London Heathrow Airport
Estimated Arrival Time:
09:00 am
Terminal:
XX
Gate:
18
Scheduled Arrival Time: 08:50 am
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.airport-jfk.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:

- AF8991 - Air France

- KL6101 - KLM Royal Dutch Airlines

- SK3971 - SAS Scandinavian Airlines

- VS4000 - Virgin Atlantic

Additional Information

Which is the frequency of flight DL1?
The flight DL1 is scheduled to flight on daily basis.

Which is the distance of flight DL1?
The distance between the two airports is 3444 miles.

Which is the flight time of flight DL1?
The scheduled flight time gate to gate is: 07:20 hours.
The real flight time gate to gate on average is: 07:11 hours.

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 New York: 2025-08-15 01:58:48
Current Time in London: 2025-08-15 06:58:48

Alternative Flights

The following airlines serves the same route between New York and London:

American Airlines
- Flight Number: AA100. (On Time performance: 75 - Average Delay: 13 minutes)
- Flight Number: AA104. (On Time performance: 71 - Average Delay: 49 minutes)
- Flight Number: AA106. (On Time performance: 77 - Average Delay: 7 minutes)
- Flight Number: AA142. (On Time performance: 89 - Average Delay: 26 minutes)

JetBlue
- Flight Number: B61107. (On Time performance: 82 - Average Delay: 9 minutes)
- Flight Number: B67. (On Time performance: 75 - Average Delay: 9 minutes)

British Airways
- Flight Number: BA112. (On Time performance: 78 - Average Delay: 9 minutes)
- Flight Number: BA114. (On Time performance: 79 - Average Delay: 14 minutes)
- Flight Number: BA116. (On Time performance: 78 - Average Delay: 11 minutes)
- Flight Number: BA172. (On Time performance: 85 - Average Delay: 7 minutes)
- Flight Number: BA174. (On Time performance: 84 - Average Delay: 7 minutes)
- Flight Number: BA176. (On Time performance: 87 - Average Delay: 8 minutes)
- Flight Number: BA178. (On Time performance: 97 - Average Delay: 1 minutes)
- Flight Number: BA182. (On Time performance: 77 - Average Delay: 11 minutes)

Delta Air Lines
- Flight Number: DL3. (On Time performance: 67 - Average Delay: 21 minutes)

Virgin Atlantic
- Flight Number: VS10. (On Time performance: 84 - Average Delay: 10 minutes)
- Flight Number: VS138. (On Time performance: 67 - Average Delay: 21 minutes)
- Flight Number: VS138. (On Time performance: 67 - Average Delay: 21 minutes)
- Flight Number: VS154. (On Time performance: 73 - Average Delay: 17 minutes)
- Flight Number: VS26. (On Time performance: 89 - Average Delay: 4 minutes)
- Flight Number: VS4. (On Time performance: 83 - Average Delay: 11 minutes)
- Flight Number: VS46. (On Time performance: 72 - Average Delay: 16 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from May 10, 2025 to August 09, 2025, we have obtained these figures.
Total number of flights: 92
On Time: 66 ( 72 % )
Moderate Delay: 2 ( 2 % )
Significant Delay: 11 ( 12 % )
Major Delay: 13 ( 14 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 23 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from February 10, 2025 to August 09, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from August 02, 2024 to July 31, 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 DL1

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
15 August
08:34 pm
New York (JFK)
09:00 am
London (LHR)
07h 26min
Boeing 767-400
Boeing 767-400
- On-time
Thursday
14 August
09:02 pm
New York (JFK)
10:25 am
London (LHR)
08h 23min
Boeing 767-400
Boeing 767-400
Landed - Delayed
Wednesday
13 August
08:48 pm
New York (JFK)
08:50 am
London (LHR)
07h 02min
Boeing 767-400
Boeing 767-400
Landed - On-time
Tuesday
12 August
08:46 pm
New York (JFK)
09:15 am
London (LHR)
07h 29min
Boeing 767-400
Boeing 767-400
Landed - Delayed
Monday
11 August
09:57 pm
New York (JFK)
12:28 am
Boston (BOS)
02h 31min
Boeing 767-400
Boeing 767-400
Landed - DIVERTED
Sunday
10 August
08:21 pm
New York (JFK)
08:48 am
London (LHR)
12h 27min
Boeing 767-400
Boeing 767-400
Landed - On-time
Saturday
09 August
09:16 pm
New York (JFK)
09:30 am
London (LHR)
12h 14min
Boeing 767-400
Boeing 767-400
Landed - Delayed
Friday
08 August
08:24 pm
New York (JFK)
08:32 am
London (LHR)
12h 08min
Boeing 767-400
Boeing 767-400
Landed - On-time
Thursday
07 August
08:23 pm
New York (JFK)
07:57 am
London (LHR)
11h 34min
Boeing 767-400
Boeing 767-400
Landed - On-time
Wednesday
06 August
09:09 pm
New York (JFK)
08:45 am
London (LHR)
11h 36min
Boeing 767-400
Boeing 767-400
Landed - On-time