Flight DL1501
Delta Air Lines flight DL1501
Looking for DL1501 in the air…
Atlanta (ATL) to Columbus (CMH)
Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 52 minutes. It was cancelled 0.8% of the time.
- On-time arrivals
- 73.7%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 52 min
- Flights arriving 15+ minutes late
- Flights tracked
- 257
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 48%
- Late-arriving aircraft 34%
- Air traffic control & airport 12%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Miami (MIA) to Boston (BOS)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 80 minutes. It was cancelled 8.3% of the time.
- On-time arrivals
- 86.4%
- Less than 15 minutes late
- Cancelled
- 8.3%
- Of scheduled flights
- Average delay when late
- 80 min
- Flights arriving 15+ minutes late
- Flights tracked
- 24
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 82%
- Air traffic control & airport 18%
- Late-arriving aircraft 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 | 73.3% | 30 |
| October 2025 | 71.0% | 31 |
| November 2025 | 83.3% | 24 |
| December 2025 | 58.3% | 24 |
| January 2026 | 57.1% | 15 |
| February 2026 | 92.0% | 27 |
| March 2026 | 70.4% | 28 |
| April 2026 | 90.0% | 20 |
| May 2026 | 82.1% | 28 |
| June 2026 | 83.3% | 6 |
| July 2026 | 68.2% | 22 |
| August 2026 | 69.2% | 26 |
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