DL778
DL778 (Delta Air Lines) is a multi-stop service on 4 routes, busiest New York to Las Vegas. Of 753 departures recorded from October 2024 to July 2026, 75.2% left on time, according to the US BTS.
- On-time departures75.2%of 753 flights
- Average delay19.3 min
- July 202627▼ 12.9%vs July 2025
- Cancelled1.3%
- Legs flown under this number4
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 51 | 45 | ▼ 11.8% |
| April | 58 | 39 | ▼ 32.8% |
| May | 62 | 31 | ▼ 50.0% |
| June | 37 | 27 | ▼ 27.0% |
| July | 31 | 27 | ▼ 12.9% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 28 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 298 | 228 | ▼ 23.5% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 67.7% | 56.7% | ▼ 16.3% |
| February | 78.6% | 61.5% | ▼ 21.7% |
| March | 67.4% | 77.8% | ▲ 15.5% |
| April | 81.0% | 76.3% | ▼ 5.8% |
| May | 61.3% | 96.7% | ▲ 57.7% |
| June | 75.7% | 70.4% | ▼ 7.0% |
| July | 67.7% | 65.4% | ▼ 3.5% |
| August | 79.3% | – | – |
| September | 80.0% | – | – |
| October | 96.8% | – | in progress |
| November | 82.1% | – | – |
| December | 69.0% | – | – |
| Year-to-date average (Jan–Jul) | 71.3% | 72.1% | ▲ 1.1% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 2 | – |
| March | 2 | 0 | ▼ 100.0% |
| April | 0 | 1 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 2 | 6 | ▲ 200.0% |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.7% 743
- Cancelled 1.3% 10
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| JFK LAS John F. Kennedy International Airport – Harry Reid International Airport | 3,609 | 14.0 min | 72.9% | 372 |
| LAS DTW Harry Reid International Airport – Detroit Metropolitan Wayne County Airport | 2,808 | 26.7 min | 77.3% | 239 |
| LAS JFK Harry Reid International Airport – John F. Kennedy International Airport | 3,609 | 25.9 min | 72.5% | 111 |
| LAX MSY Los Angeles International Airport – Louis Armstrong New Orleans International Airport | 2,682 | 0.4 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 28 | 28 | 85.7% | 0 |
| December 2024 | 30 | 30 | 83.3% | 0 |
| January 2025 | 31 | 31 | 67.7% | 0 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 51 | 49 | 67.4% | 2 |
| April 2025 | 58 | 58 | 81.0% | 0 |
| May 2025 | 62 | 62 | 61.3% | 0 |
| June 2025 | 37 | 37 | 75.7% | 0 |
| July 2025 | 31 | 31 | 67.7% | 0 |
| August 2025 | 29 | 29 | 79.3% | 0 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 28 | 28 | 82.1% | 0 |
| December 2025 | 31 | 29 | 69.0% | 2 |
| January 2026 | 31 | 30 | 56.7% | 1 |
| February 2026 | 28 | 26 | 61.5% | 2 |
| March 2026 | 45 | 45 | 77.8% | 0 |
| April 2026 | 39 | 38 | 76.3% | 1 |
| May 2026 | 31 | 30 | 96.7% | 1 |
| June 2026 | 27 | 27 | 70.4% | 0 |
| July 2026 | 27 | 26 | 65.4% | 1 |