Flight DL1329
Delta Air Lines flight DL1329
Looking for DL1329 in the air…
Atlanta (ATL) to Philadelphia (PHL)
Historically, this flight arrives 15+ minutes late 41% of the time, and when it is late the delay averages 68 minutes. It was cancelled 4.5% of the time.
- On-time arrivals
- 59.0%
- Less than 15 minutes late
- Cancelled
- 4.5%
- Of scheduled flights
- Average delay when late
- 68 min
- Flights arriving 15+ minutes late
- Flights tracked
- 309
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 40%
- Air traffic control & airport 39%
- Late-arriving aircraft 19%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Philadelphia (PHL) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 56 minutes. It was cancelled 5.1% of the time.
- On-time arrivals
- 78.5%
- Less than 15 minutes late
- Cancelled
- 5.1%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 158
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 73%
- Airline (crew, maintenance, cleaning) 17%
- Air traffic control & airport 8%
- Extreme weather 2%
- 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 | 78.1% | 32 |
| October 2025 | 76.6% | 47 |
| November 2025 | 78.3% | 49 |
| December 2025 | 68.8% | 34 |
| January 2026 | 67.4% | 46 |
| February 2026 | 66.7% | 52 |
| March 2026 | 70.8% | 52 |
| April 2026 | 71.7% | 53 |
| May 2026 | 46.2% | 15 |
| June 2026 | 39.1% | 25 |
| July 2026 | 32.1% | 31 |
| August 2026 | 48.4% | 31 |
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