Flight DL1523
Delta Air Lines flight DL1523
Looking for DL1523 in the air…
Orlando (MCO) to New York (LGA)
Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 63 minutes. It was cancelled 3.9% of the time.
- On-time arrivals
- 94.1%
- Less than 15 minutes late
- Cancelled
- 3.9%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 231
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 53%
- Air traffic control & airport 33%
- Extreme weather 13%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to Louisville (SDF)
Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 44 minutes. It was cancelled 3.6% of the time.
- On-time arrivals
- 93.8%
- Less than 15 minutes late
- Cancelled
- 3.6%
- Of scheduled flights
- Average delay when late
- 44 min
- Flights arriving 15+ minutes late
- Flights tracked
- 84
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 58%
- Air traffic control & airport 37%
- Late-arriving aircraft 5%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Louisville (SDF) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 125 minutes. It was cancelled 2.4% of the time.
- On-time arrivals
- 95.1%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 125 min
- Flights arriving 15+ minutes late
- Flights tracked
- 84
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 58%
- Airline (crew, maintenance, cleaning) 23%
- 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 | 100.0% | 30 |
| October 2025 | 93.3% | 31 |
| November 2025 | 89.7% | 29 |
| December 2025 | 94.4% | 19 |
| January 2026 | 100.0% | 27 |
| February 2026 | 92.3% | 28 |
| March 2026 | 92.6% | 31 |
| April 2026 | 92.9% | 30 |
| May 2026 | 95.3% | 46 |
| June 2026 | 90.7% | 46 |
| July 2026 | 93.8% | 48 |
| August 2026 | 97.1% | 34 |
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