DL2299
DL2299 (Delta Air Lines) is a multi-stop service on 7 routes, busiest Chicago to Seattle. Of 610 departures recorded from October 2024 to July 2026, 78.1% left on time, according to the US BTS.
- On-time departures78.1%of 610 flights
- Average delay16.0 min
- July 202631▼ 40.4%vs July 2025
- Cancelled0.7%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 26 | – |
| March | – | 36 | – |
| April | 15 | 28 | ▲ 86.7% |
| May | 30 | 31 | ▲ 3.3% |
| June | 47 | 30 | ▼ 36.2% |
| July | 52 | 31 | ▼ 40.4% |
| August | 47 | – | – |
| September | 43 | – | – |
| October | 55 | – | in progress |
| November | 51 | – | – |
| December | 22 | – | – |
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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 73.1% | – |
| March | – | 86.1% | – |
| April | 40.0% | 96.4% | ▲ 141.1% |
| May | 76.7% | 93.6% | ▲ 22.0% |
| June | 68.1% | 86.7% | ▲ 27.3% |
| July | 74.5% | 90.3% | ▲ 21.2% |
| August | 69.6% | – | – |
| September | 86.1% | – | – |
| October | 76.4% | – | in progress |
| November | 67.4% | – | – |
| 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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| 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 99.3% 606
- Cancelled 0.7% 4
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 |
|---|---|---|---|---|
| ORD SEA Chicago O'Hare International Airport – Seattle–Tacoma International Airport | 2,762 | 28.1 min | 65.4% | 214 |
| SEA ORD Seattle–Tacoma International Airport – Chicago O'Hare International Airport | 2,762 | 10.7 min | 78.9% | 148 |
| SDF ATL Louisville Muhammad Ali International Airport – Hartsfield Jackson Atlanta International Airport | 518 | 6.5 min | 91.0% | 144 |
| MIA LGA Miami International Airport – LaGuardia Airport | 1,768 | 4.8 min | 91.7% | 36 |
| SAT DTW San Antonio International Airport – Detroit Metropolitan Wayne County Airport | 1,954 | 18.4 min | 86.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 28 | 28 | 92.9% | 0 |
| December 2024 | 18 | 18 | 83.3% | 0 |
| April 2025 | 15 | 15 | 40.0% | 0 |
| May 2025 | 30 | 30 | 76.7% | 0 |
| June 2025 | 47 | 47 | 68.1% | 0 |
| July 2025 | 52 | 51 | 74.5% | 1 |
| August 2025 | 47 | 46 | 69.6% | 1 |
| September 2025 | 43 | 43 | 86.1% | 0 |
| October 2025 | 55 | 55 | 76.4% | 0 |
| November 2025 | 51 | 49 | 67.4% | 2 |
| December 2025 | 22 | 22 | 50.0% | 0 |
| February 2026 | 26 | 26 | 73.1% | 0 |
| March 2026 | 36 | 36 | 86.1% | 0 |
| April 2026 | 28 | 28 | 96.4% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 30 | 30 | 86.7% | 0 |
| July 2026 | 31 | 31 | 90.3% | 0 |