Flight DL1015
Delta Air Lines flight DL1015
Looking for DL1015 in the air…
Alerts at this flight's airports
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Advisory Coastal Flood Statement FLL
COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING
Weather
Dulles (IAD) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 96 minutes. It was cancelled 1.1% of the time.
- On-time arrivals
- 77.0%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 96 min
- Flights arriving 15+ minutes late
- Flights tracked
- 349
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 64%
- Air traffic control & airport 23%
- Extreme weather 7%
- Late-arriving aircraft 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Detroit (DTW) to Fort Lauderdale (FLL)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 43.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 77 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 40%
- Late-arriving aircraft 33%
- Air traffic control & airport 22%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Headlines found by Google News; stories open on the publisher's site.
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.0% | 30 |
| October 2025 | 83.9% | 31 |
| November 2025 | 73.3% | 30 |
| December 2025 | 48.4% | 31 |
| January 2026 | 56.7% | 31 |
| February 2026 | 77.8% | 28 |
| March 2026 | 44.8% | 31 |
| April 2026 | 93.1% | 30 |
| May 2026 | 90.3% | 31 |
| June 2026 | 76.7% | 30 |
| July 2026 | 87.1% | 31 |
| August 2026 | 83.9% | 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