Flight DL1323
Delta Air Lines flight DL1323
Looking for DL1323 in the air…
Atlanta (ATL) to Miami (MIA)
Historically, this flight arrives 15+ minutes late 38% of the time, and when it is late the delay averages 55 minutes. It was cancelled 1.4% of the time.
- On-time arrivals
- 62.4%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 55 min
- Flights arriving 15+ minutes late
- Flights tracked
- 363
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 43%
- Airline (crew, maintenance, cleaning) 39%
- Late-arriving aircraft 14%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Miami (MIA) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 40% of the time, and when it is late the delay averages 80 minutes. It was cancelled 2.1% of the time.
- On-time arrivals
- 59.9%
- Less than 15 minutes late
- Cancelled
- 2.1%
- Of scheduled flights
- Average delay when late
- 80 min
- Flights arriving 15+ minutes late
- Flights tracked
- 290
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 44%
- Airline (crew, maintenance, cleaning) 28%
- Air traffic control & airport 24%
- Extreme weather 3%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 53.1% | 50 |
| October 2025 | 49.0% | 49 |
| November 2025 | 60.5% | 38 |
| December 2025 | 64.7% | 53 |
| January 2026 | 64.4% | 62 |
| February 2026 | 66.1% | 56 |
| March 2026 | 63.2% | 62 |
| April 2026 | 61.7% | 60 |
| May 2026 | 57.4% | 54 |
| June 2026 | 74.1% | 58 |
| July 2026 | 51.7% | 62 |
| August 2026 | 67.3% | 49 |
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