DL353
DL353 (Delta Air Lines) is a multi-stop service on 10 routes, busiest New York to Los Angeles. Of 634 departures recorded from October 2024 to July 2026, 79.4% left on time, according to the US BTS.
- On-time departures79.4%of 634 flights
- Average delay16.5 min
- July 202627▼ 10.0%vs July 2025
- Cancelled1.4%
- Legs flown under this number10
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 | 21 | 22 | ▲ 4.8% |
| February | 12 | 16 | ▲ 33.3% |
| March | 50 | 28 | ▼ 44.0% |
| April | 54 | 28 | ▼ 48.1% |
| May | 31 | 31 | 0.0% |
| June | 26 | 27 | ▲ 3.8% |
| July | 30 | 27 | ▼ 10.0% |
| August | 30 | – | – |
| September | 26 | – | – |
| October | 28 | – | in progress |
| November | 27 | – | – |
| December | 41 | – | – |
| Year to date (Jan–Jul) | 224 | 179 | ▼ 20.1% |
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 | 95.2% | 85.7% | ▼ 10.0% |
| February | 91.7% | 85.7% | ▼ 6.5% |
| March | 72.0% | 88.9% | ▲ 23.5% |
| April | 72.2% | 75.0% | ▲ 3.8% |
| May | 83.9% | 76.7% | ▼ 8.6% |
| June | 88.5% | 77.8% | ▼ 12.1% |
| July | 62.1% | 83.3% | ▲ 34.3% |
| August | 76.7% | – | – |
| September | 76.9% | – | – |
| October | 75.0% | – | in progress |
| November | 88.9% | – | – |
| December | 70.7% | – | – |
| Year-to-date average (Jan–Jul) | 80.8% | 81.9% | ▲ 1.3% |
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 | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 1 | 3 | ▲ 200.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 8 | ▲ 700.0% |
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 98.6% 625
- Cancelled 1.4% 9
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| JFK LAX John F. Kennedy International Airport – Los Angeles International Airport | 3,974 | 14.7 min | 80.7% | 422 |
| SFO SEA San Francisco International Airport – Seattle–Tacoma International Airport | 1,093 | 26.3 min | 70.9% | 55 |
| SEA SFO Seattle–Tacoma International Airport – San Francisco International Airport | 1,093 | 11.4 min | 74.6% | 55 |
| BZN ATL Bozeman Yellowstone International Airport – Hartsfield Jackson Atlanta International Airport | 2,636 | 36.4 min | 63.3% | 30 |
| ATL BZN Hartsfield Jackson Atlanta International Airport – Bozeman Yellowstone International Airport | 2,636 | 18.9 min | 86.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 25 | 25 | 96.0% | 0 |
| December 2024 | 34 | 34 | 76.5% | 0 |
| January 2025 | 21 | 21 | 95.2% | 0 |
| February 2025 | 12 | 12 | 91.7% | 0 |
| March 2025 | 50 | 50 | 72.0% | 0 |
| April 2025 | 54 | 54 | 72.2% | 0 |
| May 2025 | 31 | 31 | 83.9% | 0 |
| June 2025 | 26 | 26 | 88.5% | 0 |
| July 2025 | 30 | 29 | 62.1% | 1 |
| August 2025 | 30 | 30 | 76.7% | 0 |
| September 2025 | 26 | 26 | 76.9% | 0 |
| October 2025 | 28 | 28 | 75.0% | 0 |
| November 2025 | 27 | 27 | 88.9% | 0 |
| December 2025 | 41 | 41 | 70.7% | 0 |
| January 2026 | 22 | 21 | 85.7% | 1 |
| February 2026 | 16 | 14 | 85.7% | 2 |
| March 2026 | 28 | 27 | 88.9% | 1 |
| April 2026 | 28 | 28 | 75.0% | 0 |
| May 2026 | 31 | 30 | 76.7% | 1 |
| June 2026 | 27 | 27 | 77.8% | 0 |
| July 2026 | 27 | 24 | 83.3% | 3 |