Flight DL2646
Delta Air Lines flight DL2646
Looking for DL2646 in the air…
Boston (BOS) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 41% of the time, and when it is late the delay averages 80 minutes. It was cancelled 5.4% of the time.
- On-time arrivals
- 59.3%
- Less than 15 minutes late
- Cancelled
- 5.4%
- Of scheduled flights
- Average delay when late
- 80 min
- Flights arriving 15+ minutes late
- Flights tracked
- 259
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 44%
- Late-arriving aircraft 38%
- Airline (crew, maintenance, cleaning) 17%
- 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 41% of the time, and when it is late the delay averages 81 minutes. It was cancelled 8.8% of the time.
- On-time arrivals
- 59.4%
- Less than 15 minutes late
- Cancelled
- 8.8%
- Of scheduled flights
- Average delay when late
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 170
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 60%
- Airline (crew, maintenance, cleaning) 20%
- Air traffic control & airport 19%
- 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 | 52.6% | 38 |
| October 2025 | 37.0% | 28 |
| November 2025 | 72.7% | 23 |
| December 2025 | 58.8% | 19 |
| March 2026 | 64.7% | 42 |
| April 2026 | 68.0% | 54 |
| May 2026 | 70.9% | 56 |
| June 2026 | 57.8% | 51 |
| July 2026 | 60.8% | 56 |
| August 2026 | 47.5% | 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