DL2251
DL2251 (Delta Air Lines) is a multi-stop service on 8 routes, busiest Tucson to Seattle. Of 412 departures recorded from October 2024 to July 2026, 80.9% left on time, according to the US BTS.
- On-time departures80.9%of 412 flights
- Average delay10.8 min
- July 202620▲ 300.0%vs July 2025
- Cancelled2.2%
- Legs flown under this number8
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 5 | 31 | ▲ 520.0% |
| February | – | 45 | – |
| March | – | 62 | – |
| April | 15 | 42 | ▲ 180.0% |
| May | 30 | 27 | ▼ 10.0% |
| June | 10 | 21 | ▲ 110.0% |
| July | 5 | 20 | ▲ 300.0% |
| August | 2 | – | – |
| September | 3 | – | – |
| October | 4 | – | in progress |
| November | 2 | – | – |
| December | 12 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 80.0% | 71.0% | ▼ 11.3% |
| February | – | 75.6% | – |
| March | – | 82.8% | – |
| April | 80.0% | 95.2% | ▲ 19.0% |
| May | 76.7% | 96.2% | ▲ 25.4% |
| June | 100.0% | 95.0% | ▼ 5.0% |
| July | 80.0% | 88.2% | ▲ 10.3% |
| August | 0.0% | – | – |
| September | 66.7% | – | – |
| October | 100.0% | – | in progress |
| November | 100.0% | – | – |
| December | 50.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | – | 4 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 1 | – |
| July | 0 | 3 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 97.8% 403
- Cancelled 2.2% 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 |
|---|---|---|---|---|
| TUS SEA Tucson International Airport – Seattle–Tacoma International Airport | 1,958 | 16.5 min | 83.3% | 122 |
| ATL PHL Hartsfield Jackson Atlanta International Airport – Philadelphia International Airport | 1,072 | 12.9 min | 70.1% | 97 |
| LGA ORD LaGuardia Airport – Chicago O'Hare International Airport | 1,177 | 2.2 min | 93.0% | 62 |
| SEA TUS Seattle–Tacoma International Airport – Tucson International Airport | 1,958 | 7.3 min | 82.8% | 60 |
| MYR ATL Myrtle Beach International Airport – Hartsfield Jackson Atlanta International Airport | 509 | 4.8 min | 78.1% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 25 | 25 | 68.0% | 0 |
| December 2024 | 31 | 31 | 71.0% | 0 |
| January 2025 | 5 | 5 | 80.0% | 0 |
| April 2025 | 15 | 15 | 80.0% | 0 |
| May 2025 | 30 | 30 | 76.7% | 0 |
| June 2025 | 10 | 10 | 100.0% | 0 |
| July 2025 | 5 | 5 | 80.0% | 0 |
| August 2025 | 2 | 2 | 0.0% | 0 |
| September 2025 | 3 | 3 | 66.7% | 0 |
| October 2025 | 4 | 4 | 100.0% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 12 | 12 | 50.0% | 0 |
| January 2026 | 31 | 31 | 71.0% | 0 |
| February 2026 | 45 | 45 | 75.6% | 0 |
| March 2026 | 62 | 58 | 82.8% | 4 |
| April 2026 | 42 | 42 | 95.2% | 0 |
| May 2026 | 27 | 26 | 96.2% | 1 |
| June 2026 | 21 | 20 | 95.0% | 1 |
| July 2026 | 20 | 17 | 88.2% | 3 |