Flight DL850
Delta Air Lines flight DL850
Looking for DL850 in the air…
Atlanta (ATL) to Washington (DCA)
Historically, this flight arrives 15+ minutes late 45% of the time, and when it is late the delay averages 62 minutes. It was cancelled 1.4% of the time.
- On-time arrivals
- 54.7%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 348
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 59%
- Airline (crew, maintenance, cleaning) 26%
- Late-arriving aircraft 12%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Washington (DCA) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 37% of the time, and when it is late the delay averages 92 minutes. It was cancelled 2.3% of the time.
- On-time arrivals
- 63.4%
- Less than 15 minutes late
- Cancelled
- 2.3%
- Of scheduled flights
- Average delay when late
- 92 min
- Flights arriving 15+ minutes late
- Flights tracked
- 347
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 38%
- Air traffic control & airport 12%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Salt Lake City (SLC) to Jackson (JAC)
Only 11 flights on record, which is too few for reliable odds.
- On-time arrivals
- 90.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 69 min
- Flights arriving 15+ minutes late
- Flights tracked
- 11
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 100%
- Late-arriving aircraft 0%
- 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 | 71.7% | 60 |
| October 2025 | 69.4% | 62 |
| November 2025 | 51.7% | 59 |
| December 2025 | 80.0% | 47 |
| January 2026 | 54.7% | 56 |
| February 2026 | 60.7% | 56 |
| March 2026 | 56.5% | 62 |
| April 2026 | 61.7% | 60 |
| May 2026 | 66.7% | 62 |
| June 2026 | 61.4% | 60 |
| July 2026 | 36.8% | 60 |
| August 2026 | 46.7% | 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