Flight DL791
Delta Air Lines flight DL791
Looking for DL791 in the air…
New York (JFK) to Phoenix (PHX)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 56 minutes. It was cancelled 3.8% of the time.
- On-time arrivals
- 81.4%
- Less than 15 minutes late
- Cancelled
- 3.8%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 365
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 51%
- Airline (crew, maintenance, cleaning) 45%
- Late-arriving aircraft 3%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to New York (JFK)
Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 74 minutes. It was cancelled 4.1% of the time.
- On-time arrivals
- 76.8%
- Less than 15 minutes late
- Cancelled
- 4.1%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 268
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 42%
- Late-arriving aircraft 31%
- Airline (crew, maintenance, cleaning) 26%
- Extreme weather 2%
- 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 | 93.2% | 60 |
| October 2025 | 94.1% | 36 |
| November 2025 | 68.6% | 51 |
| December 2025 | 62.7% | 62 |
| January 2026 | 75.8% | 35 |
| February 2026 | 80.0% | 45 |
| March 2026 | 84.7% | 62 |
| April 2026 | 88.1% | 42 |
| May 2026 | 89.1% | 56 |
| June 2026 | 75.9% | 60 |
| July 2026 | 77.2% | 62 |
| August 2026 | 68.9% | 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