Flight DL1585
Delta Air Lines flight DL1585
Looking for DL1585 in the air…
Atlanta (ATL) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 47 minutes. It was cancelled 4.8% of the time.
- On-time arrivals
- 82.3%
- Less than 15 minutes late
- Cancelled
- 4.8%
- Of scheduled flights
- Average delay when late
- 47 min
- Flights arriving 15+ minutes late
- Flights tracked
- 334
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 56%
- Airline (crew, maintenance, cleaning) 33%
- Extreme weather 9%
- Late-arriving aircraft 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (IAH) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 67 minutes. It was cancelled 4.8% of the time.
- On-time arrivals
- 77.8%
- Less than 15 minutes late
- Cancelled
- 4.8%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 331
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Airline (crew, maintenance, cleaning) 45%
- Air traffic control & airport 9%
- 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 | 86.5% | 37 |
| October 2025 | 83.3% | 50 |
| November 2025 | 67.5% | 46 |
| December 2025 | 71.4% | 58 |
| January 2026 | 89.1% | 60 |
| February 2026 | 94.0% | 50 |
| March 2026 | 80.4% | 60 |
| April 2026 | 81.0% | 60 |
| May 2026 | 63.9% | 62 |
| June 2026 | 72.9% | 60 |
| July 2026 | 77.8% | 60 |
| August 2026 | 94.8% | 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