Flight DL1971
Delta Air Lines flight DL1971
Looking for DL1971 in the air…
Bozeman (BZN) to Salt Lake City (SLC)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 80 minutes. It was cancelled 0.5% of the time.
- On-time arrivals
- 92.5%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 80 min
- Flights arriving 15+ minutes late
- Flights tracked
- 187
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 79%
- Airline (crew, maintenance, cleaning) 18%
- Air traffic control & airport 3%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Salt Lake City (SLC) to Bozeman (BZN)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 86 minutes. It was cancelled 0.5% of the time.
- On-time arrivals
- 91.9%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 86 min
- Flights arriving 15+ minutes late
- Flights tracked
- 187
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 63%
- Extreme weather 14%
- Air traffic control & airport 13%
- Late-arriving aircraft 10%
- 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 | 95.5% | 44 |
| October 2025 | 91.9% | 62 |
| November 2025 | 87.5% | 58 |
| December 2025 | 94.7% | 38 |
| June 2026 | 91.7% | 48 |
| July 2026 | 93.5% | 62 |
| August 2026 | 91.9% | 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