OO3990
OO3990 (SkyWest Airlines) is a multi-stop service on 13 routes, busiest New York to Dulles. Of 626 departures recorded from October 2024 to July 2026, 81.7% left on time, according to the US BTS.
- On-time departures81.7%of 626 flights
- Average delay11.5 min
- July 202662▲ 19.2%vs July 2025
- Cancelled1.1%
- Legs flown under this number13
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 27 | ▲ 2,600.0% |
| February | – | 27 | – |
| March | 23 | 54 | ▲ 134.8% |
| April | 30 | 42 | ▲ 40.0% |
| May | 6 | 56 | ▲ 833.3% |
| June | 22 | 30 | ▲ 36.4% |
| July | 52 | 62 | ▲ 19.2% |
| August | 50 | – | – |
| September | 32 | – | – |
| October | 31 | – | in progress |
| November | 8 | – | – |
| December | 5 | – | – |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 48.0% | ▼ 52.0% |
| February | – | 63.0% | – |
| March | 73.9% | 84.0% | ▲ 13.7% |
| April | 90.0% | 90.5% | ▲ 0.5% |
| May | 83.3% | 89.3% | ▲ 7.2% |
| June | 54.6% | 83.3% | ▲ 52.8% |
| July | 74.5% | 83.9% | ▲ 12.6% |
| August | 74.0% | – | – |
| September | 96.9% | – | – |
| October | 93.6% | – | in progress |
| November | 87.5% | – | – |
| December | 100.0% | – | – |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | – | 0 | – |
| March | 0 | 4 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| 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 98.9% 619
- Cancelled 1.1% 7
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| JFK IAD John F. Kennedy International Airport – Washington Dulles International Airport | 366 | 7.0 min | 86.6% | 127 |
| MSP GRR Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Gerald R. Ford International Airport | 656 | 6.5 min | 86.7% | 107 |
| GRR MSP Gerald R. Ford International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 656 | 5.5 min | 86.7% | 107 |
| TVC DTW Cherry Capital Airport – Detroit Metropolitan Wayne County Airport | 334 | 17.3 min | 71.6% | 68 |
| DTW TVC Detroit Metropolitan Wayne County Airport – Cherry Capital Airport | 334 | 15.5 min | 73.5% | 68 |
| MSN DTW Dane County Regional Truax Field – Detroit Metropolitan Wayne County Airport | 500 | -2.9 min | 91.2% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 80.0% | 0 |
| December 2024 | 18 | 18 | 94.4% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| March 2025 | 23 | 23 | 73.9% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 6 | 6 | 83.3% | 0 |
| June 2025 | 22 | 22 | 54.6% | 0 |
| July 2025 | 52 | 51 | 74.5% | 1 |
| August 2025 | 50 | 50 | 74.0% | 0 |
| September 2025 | 32 | 32 | 96.9% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 8 | 8 | 87.5% | 0 |
| December 2025 | 5 | 5 | 100.0% | 0 |
| January 2026 | 27 | 25 | 48.0% | 2 |
| February 2026 | 27 | 27 | 63.0% | 0 |
| March 2026 | 54 | 50 | 84.0% | 4 |
| April 2026 | 42 | 42 | 90.5% | 0 |
| May 2026 | 56 | 56 | 89.3% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 62 | 62 | 83.9% | 0 |