Flight DL2570
Delta Air Lines flight DL2570
Looking for DL2570 in the air…
Boston (BOS) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 64 minutes. It was cancelled 3.0% of the time.
- On-time arrivals
- 80.5%
- Less than 15 minutes late
- Cancelled
- 3.0%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 266
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 50%
- Airline (crew, maintenance, cleaning) 45%
- Late-arriving aircraft 4%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Boston (BOS)
Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 71 minutes. It was cancelled 2.1% of the time.
- On-time arrivals
- 73.0%
- Less than 15 minutes late
- Cancelled
- 2.1%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 242
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Air traffic control & airport 39%
- Airline (crew, maintenance, cleaning) 15%
- Extreme weather 1%
- 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 | 76.3% | 60 |
| October 2025 | 62.9% | 62 |
| November 2025 | 69.0% | 60 |
| December 2025 | 68.4% | 38 |
| March 2026 | 80.0% | 42 |
| April 2026 | 82.6% | 46 |
| May 2026 | 92.6% | 29 |
| June 2026 | 85.1% | 49 |
| July 2026 | 88.3% | 60 |
| August 2026 | 74.2% | 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