Flight DL866
Delta Air Lines flight DL866
Looking for DL866 in the air…
Detroit (DTW) to Miami (MIA)
Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 57 minutes. It was cancelled 1.2% of the time.
- On-time arrivals
- 74.0%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 57 min
- Flights arriving 15+ minutes late
- Flights tracked
- 255
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 49%
- Air traffic control & airport 36%
- Late-arriving aircraft 13%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Miami (MIA) to Detroit (DTW)
Historically, this flight arrives 15+ minutes late 34% of the time, and when it is late the delay averages 91 minutes. It was cancelled 1.1% of the time.
- On-time arrivals
- 66.3%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 91 min
- Flights arriving 15+ minutes late
- Flights tracked
- 177
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 38%
- Airline (crew, maintenance, cleaning) 28%
- Extreme weather 18%
- Air traffic control & airport 16%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to Jackson (JAN)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 59 minutes. It was cancelled 1.8% of the time.
- On-time arrivals
- 84.1%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 109
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 80%
- Late-arriving aircraft 19%
- Air traffic control & airport 1%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Jackson (JAN) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 63 minutes. It was cancelled 2.8% of the time.
- On-time arrivals
- 88.7%
- Less than 15 minutes late
- Cancelled
- 2.8%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 109
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 94%
- Airline (crew, maintenance, cleaning) 6%
- Air traffic control & airport 0%
- 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 | 81.7% | 60 |
| October 2025 | 88.3% | 60 |
| November 2025 | 93.0% | 60 |
| December 2025 | 72.9% | 50 |
| January 2026 | 50.0% | 31 |
| February 2026 | 96.4% | 28 |
| March 2026 | 62.3% | 55 |
| April 2026 | 76.3% | 60 |
| May 2026 | 69.4% | 62 |
| June 2026 | 73.3% | 60 |
| July 2026 | 66.1% | 62 |
| August 2026 | 79.0% | 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