Flight DL1091
Delta Air Lines flight DL1091
Looking for DL1091 in the air…
Alerts at this flight's airports
Salt Lake City (SLC) to San Francisco (SFO)
Historically, this flight arrives 15+ minutes late 35% of the time, and when it is late the delay averages 58 minutes. It was cancelled 0.3% of the time.
- On-time arrivals
- 65.3%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 330
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 44%
- Air traffic control & airport 40%
- Late-arriving aircraft 14%
- 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 | 80.0% | 30 |
| October 2025 | 79.2% | 24 |
| November 2025 | 84.2% | 19 |
| December 2025 | 82.8% | 29 |
| January 2026 | 60.0% | 25 |
| February 2026 | 75.0% | 24 |
| March 2026 | 90.0% | 31 |
| April 2026 | 63.3% | 30 |
| May 2026 | 51.6% | 31 |
| June 2026 | 36.7% | 30 |
| July 2026 | 29.0% | 31 |
| August 2026 | 65.4% | 26 |
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