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

DL1780 Delta Air Lines - Flight Status

Below, you can find details about Delta Air Lines flight DL1780, which currently operates between the airports of Boston - Boston Logan International Airport (Airport Code BOS) and San Juan - Luis Munoz Marin International Airport (Airport Code SJU).
This flight data pertains specifically to the flight's details for Thursday, January 01, 2026.

DL1780 On Time performance:
73
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

DL1780 Delta Air Lines to San Juan

Landed - On-time
Delay: 14 minutes
Flight Status for Thursday January 01, 2026
This flight was also scheduled for Yesterday (December 31, 2025). See it here
This flight is also scheduled for Tomorrow (January 02, 2026). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Airbus A321neo

Departure

Boston (BOS)
January 01, 2026
Boston Logan International Airport
Departed at:
08:30 am
Terminal:
A
Gate:
A17
Scheduled Departure Time: 08:30 am

Arrival

San Juan (SJU)
January 01, 2026
Luis Munoz Marin International Airport
Arrived at:
01:49 pm
Terminal:
B
Gate:
B11
Scheduled Arrival Time: 01:35 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:

- LY4053 - El Al Israel Airlines

Additional Information

Which is the frequency of flight DL1780?
The flight DL1780 is scheduled to flight on daily basis.

Which is the distance of flight DL1780?
The distance between the two airports is 1680 miles.

Which is the flight time of flight DL1780?
The scheduled flight time gate to gate is: 04:05 hours.
The real flight time gate to gate on average is: 03:43 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 Boston: 2026-01-01 13:33:23
Current Time in San Juan: 2026-01-01 14:33:23

Alternative Flights

The following airlines serves the same route between Boston and San Juan:

JetBlue
- Flight Number: B6161. (On Time performance: 54 - Average Delay: 41 minutes)
- Flight Number: B6261. (On Time performance: 67 - Average Delay: 25 minutes)
- Flight Number: B6561. (On Time performance: 51 - Average Delay: 45 minutes)
- Flight Number: B6861. (On Time performance: 82 - Average Delay: 15 minutes)

Delta Air Lines
- Flight Number: DL1852. (On Time performance: 70 - Average Delay: 38 minutes)

Frontier Airlines
- Flight Number: F93001. (On Time performance: 40 - Average Delay: 124 minutes)

Spirit Airlines
- Flight Number: NK310. (On Time performance: 33 - Average Delay: 49 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 September 30, 2025 to December 29, 2025, we have obtained these figures.
Total number of flights: 91
On Time: 66 ( 73 % )
Moderate Delay: 13 ( 14 % )
Significant Delay: 7 ( 8 % )
Major Delay: 5 ( 5 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 16 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from June 30, 2025 to December 29, 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 December 02, 2024 to November 30, 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 DL1780

Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
31 December
08:48 am
Boston (BOS)
01:48 pm
San Juan (SJU)
04h 00min
Airbus A321neo
Airbus A321neo
Landed - On-time
Tuesday
30 December
08:30 am
Boston (BOS)
01:41 pm
San Juan (SJU)
04h 11min
Airbus A321neo
Airbus A321neo
Landed - On-time
Monday
29 December
09:47 am
Boston (BOS)
02:34 pm
San Juan (SJU)
03h 47min
Airbus A321neo
Airbus A321neo
Landed - Delayed
Sunday
28 December
08:39 am
Boston (BOS)
01:27 pm
San Juan (SJU)
03h 48min
Airbus A321neo
Airbus A321neo
Landed - On-time
Saturday
27 December
10:58 am
Boston (BOS)
05:09 pm
San Juan (SJU)
05h 11min
Airbus A321neo
Airbus A321neo
Landed - Delayed
Friday
26 December
09:06 am
Boston (BOS)
01:43 pm
San Juan (SJU)
03h 37min
Airbus A321neo
Airbus A321neo
Landed - On-time
Thursday
25 December
08:30 am
Boston (BOS)
01:46 pm
San Juan (SJU)
04h 16min
Airbus A321neo
Airbus A321neo
Landed - On-time
Wednesday
24 December
08:24 am
Boston (BOS)
12:55 pm
San Juan (SJU)
03h 31min
Airbus A321neo
Airbus A321neo
Landed - On-time
Tuesday
23 December
08:25 am
Boston (BOS)
01:14 pm
San Juan (SJU)
03h 49min
Airbus A321neo
Airbus A321neo
Landed - On-time
Monday
22 December
08:34 am
Boston (BOS)
01:24 pm
San Juan (SJU)
03h 50min
Airbus A321neo
Airbus A321neo
Landed - On-time