Flight DL1244
Delta Air Lines flight DL1244
Looking for DL1244 in the air…
Salt Lake City (SLC) to Portland (PDX)
Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 59 minutes. It was cancelled 0.4% of the time.
- On-time arrivals
- 87.8%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 255
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 65%
- Late-arriving aircraft 26%
- Air traffic control & airport 8%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Portland (PDX) to Salt Lake City (SLC)
Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 59 minutes. It was cancelled 0.4% of the time.
- On-time arrivals
- 88.0%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 251
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 64%
- Airline (crew, maintenance, cleaning) 24%
- Air traffic control & airport 13%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Salt Lake City (SLC) to Las Vegas (LAS)
Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 63 minutes. It was cancelled 1.3% of the time.
- On-time arrivals
- 74.3%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 75
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 56%
- Air traffic control & airport 42%
- Late-arriving aircraft 3%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Las Vegas (LAS) to Salt Lake City (SLC)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 82 minutes. It was cancelled 1.4% of the time.
- On-time arrivals
- 86.3%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 74
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 87%
- Airline (crew, maintenance, cleaning) 7%
- Air traffic control & airport 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.4% | 34 |
| October 2025 | 77.8% | 45 |
| November 2025 | 79.4% | 36 |
| December 2025 | 87.9% | 58 |
| January 2026 | 88.7% | 62 |
| February 2026 | 88.2% | 53 |
| March 2026 | 93.4% | 61 |
| April 2026 | 76.7% | 60 |
| May 2026 | 90.3% | 62 |
| June 2026 | 85.0% | 60 |
| July 2026 | 88.7% | 62 |
| August 2026 | 90.3% | 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