Flight DL1966
Delta Air Lines flight DL1966
Looking for DL1966 in the air…
New York (JFK) to San Juan (SJU)
Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 58 minutes. It was cancelled 3.6% of the time.
- On-time arrivals
- 80.5%
- Less than 15 minutes late
- Cancelled
- 3.6%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 304
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 47%
- Air traffic control & airport 46%
- Late-arriving aircraft 5%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Juan (SJU) to New York (JFK)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 74 minutes. It was cancelled 2.3% of the time.
- On-time arrivals
- 83.6%
- Less than 15 minutes late
- Cancelled
- 2.3%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 263
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 71%
- Airline (crew, maintenance, cleaning) 17%
- Air traffic control & airport 12%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Minneapolis (MSP) to San Juan (SJU)
Only 5 flights on record, which is too few for reliable odds.
- On-time arrivals
- 80.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 84 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 65%
- Air traffic control & airport 20%
- Extreme weather 15%
- Airline (crew, maintenance, cleaning) 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Juan (SJU) to Minneapolis (MSP)
Only 5 flights on record, which is too few for reliable odds.
- On-time arrivals
- 60.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 63%
- Airline (crew, maintenance, cleaning) 29%
- Air traffic control & airport 7%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
In the news
More headlines →-
Delta Air Lines' Boeing 757 Fleet Fell From 127 To 83 & Some Retired Jets Became Spare Parts
Simple Flying Delta Air Lines
-
Form 424B5 Delta Airlines For: 4 November By Investing.com
Investing.com Canada Delta Air Lines
-
The cabin as a growth engine: Delta Air Lines on personalisation, connectivity and onboard retail innovation
Future Travel Experience Delta Air Lines
-
Delta Air Lines CEO Vows To Fight Heathrow Move That Separates It From Virgin Atlantic
Live and Let's Fly Delta Air Lines
-
Heathrow’s plans to move operations affect Delta Air Lines
Travel Radar Delta Air Lines
-
Delta Air Lines Passenger Shouts “I Love Myself” As Police Haul Him Off—New Video Shows JFK Airport Arrest
View from the Wing Delta Air Lines
Headlines found by Google News; stories open on the publisher's site.
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.5% | 40 |
| October 2025 | 64.7% | 17 |
| November 2025 | 77.3% | 22 |
| December 2025 | 92.9% | 16 |
| January 2026 | 81.5% | 58 |
| February 2026 | 74.5% | 56 |
| March 2026 | 90.0% | 62 |
| April 2026 | 90.0% | 60 |
| May 2026 | 80.0% | 62 |
| June 2026 | 88.1% | 60 |
| July 2026 | 64.4% | 62 |
| August 2026 | 83.9% | 62 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data