Flight DL2666
Delta Air Lines flight DL2666
Looking for DL2666 in the air…
Salt Lake City (SLC) to St Louis (STL)
Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 68 minutes. It was cancelled 0.6% of the time.
- On-time arrivals
- 79.8%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 68 min
- Flights arriving 15+ minutes late
- Flights tracked
- 354
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 60%
- Late-arriving aircraft 32%
- Air traffic control & airport 6%
- Extreme weather 1%
- 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 | 73.3% | 30 |
| October 2025 | 70.4% | 27 |
| November 2025 | 80.8% | 26 |
| December 2025 | 67.9% | 29 |
| January 2026 | 87.1% | 31 |
| February 2026 | 89.3% | 28 |
| March 2026 | 90.3% | 31 |
| April 2026 | 76.7% | 30 |
| May 2026 | 77.4% | 31 |
| June 2026 | 86.7% | 30 |
| July 2026 | 90.0% | 31 |
| August 2026 | 66.7% | 30 |
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