Flight DL939
Delta Air Lines flight DL939
Looking for DL939 in the air…
Los Angeles (LAX) to New York (JFK)
Historically, this flight arrives 15+ minutes late 31% of the time, and when it is late the delay averages 92 minutes. It was cancelled 2.4% of the time.
- On-time arrivals
- 69.0%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 92 min
- Flights arriving 15+ minutes late
- Flights tracked
- 331
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 46%
- Late-arriving aircraft 31%
- Air traffic control & airport 21%
- Security 2%
- Extreme weather 1%
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 | 92.3% | 26 |
| October 2025 | 88.9% | 27 |
| November 2025 | 72.0% | 25 |
| December 2025 | 68.0% | 26 |
| January 2026 | 60.0% | 31 |
| February 2026 | 83.3% | 26 |
| March 2026 | 60.7% | 28 |
| April 2026 | 75.0% | 28 |
| May 2026 | 69.6% | 23 |
| June 2026 | 65.5% | 29 |
| July 2026 | 65.4% | 31 |
| August 2026 | 32.1% | 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