Flight DL857
Delta Air Lines flight DL857
Looking for DL857 in the air…
Las Vegas (LAS) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 50 minutes. It was cancelled 0.6% of the time.
- On-time arrivals
- 72.9%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 50 min
- Flights arriving 15+ minutes late
- Flights tracked
- 172
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 66%
- Airline (crew, maintenance, cleaning) 19%
- Air traffic control & airport 15%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Baltimore (BWI) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 13% of the time, and when it is late the delay averages 73 minutes. It was cancelled 3.2% of the time.
- On-time arrivals
- 86.7%
- Less than 15 minutes late
- Cancelled
- 3.2%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 62
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 65%
- Airline (crew, maintenance, cleaning) 21%
- Air traffic control & airport 14%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to Baltimore (BWI)
Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 60 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 87.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 60 min
- Flights arriving 15+ minutes late
- Flights tracked
- 24
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 66%
- Late-arriving aircraft 26%
- Air traffic control & airport 8%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Detroit (DTW) to Chicago (ORD)
Only 1 flight on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
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Show as table
| Month | On time | Flights |
|---|---|---|
| November 2025 | 100.0% | 3 |
| December 2025 | 72.7% | 11 |
| January 2026 | 88.5% | 29 |
| February 2026 | 93.3% | 45 |
| March 2026 | 73.7% | 38 |
| April 2026 | 73.3% | 30 |
| May 2026 | 64.5% | 31 |
| June 2026 | 89.3% | 29 |
| July 2026 | 56.0% | 25 |
| August 2026 | 72.2% | 18 |
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