OO3974
OO3974 (SkyWest Airlines) is a multi-stop service on 16 routes, busiest Harrisburg to Detroit. Of 671 departures recorded from October 2024 to July 2026, 78.1% left on time, according to the US BTS.
- On-time departures78.1%of 671 flights
- Average delay17.8 min
- July 20264
- Cancelled2.2%
- Legs flown under this number16
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 | 62 | 21 | ▼ 66.1% |
| February | 56 | 40 | ▼ 28.6% |
| March | 39 | 38 | ▼ 2.6% |
| April | 28 | 48 | ▲ 71.4% |
| May | 25 | 22 | ▼ 12.0% |
| June | 6 | 5 | ▼ 16.7% |
| July | – | 4 | – |
| August | – | – | – |
| September | 9 | – | – |
| October | 52 | – | in progress |
| November | 60 | – | – |
| December | 62 | – | – |
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 | 60.0% | 50.0% | ▼ 16.7% |
| February | 78.6% | 70.0% | ▼ 10.9% |
| March | 89.7% | 92.1% | ▲ 2.6% |
| April | 96.4% | 85.4% | ▼ 11.4% |
| May | 88.0% | 72.7% | ▼ 17.4% |
| June | 66.7% | 60.0% | ▼ 10.0% |
| July | – | 75.0% | – |
| August | – | – | – |
| September | 66.7% | – | – |
| October | 86.5% | – | in progress |
| November | 76.0% | – | – |
| December | 61.7% | – | – |
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 | 2 | 1 | ▼ 50.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 10 | – | – |
| December | 2 | – | – |
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% 656
- Cancelled 2.2% 15
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDT DTW Harrisburg International Airport – Detroit Metropolitan Wayne County Airport | 595 | 15.0 min | 83.8% | 230 |
| GRB DTW Austin Straubel International Airport – Detroit Metropolitan Wayne County Airport | 461 | 17.0 min | 76.8% | 75 |
| DTW GRB Detroit Metropolitan Wayne County Airport – Austin Straubel International Airport | 461 | 16.3 min | 78.3% | 75 |
| DTW MDT Detroit Metropolitan Wayne County Airport – Harrisburg International Airport | 595 | 21.2 min | 78.7% | 62 |
| GEG SEA Spokane International Airport – Seattle–Tacoma International Airport | 359 | -4.2 min | 97.2% | 36 |
| GRR DTW Gerald R. Ford International Airport – Detroit Metropolitan Wayne County Airport | 193 | 34.4 min | 55.9% | 34 |
| DTW GRR Detroit Metropolitan Wayne County Airport – Gerald R. Ford International Airport | 193 | 32.1 min | 55.9% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 44 | 44 | 81.8% | 0 |
| January 2025 | 62 | 60 | 60.0% | 2 |
| February 2025 | 56 | 56 | 78.6% | 0 |
| March 2025 | 39 | 39 | 89.7% | 0 |
| April 2025 | 28 | 28 | 96.4% | 0 |
| May 2025 | 25 | 25 | 88.0% | 0 |
| June 2025 | 6 | 6 | 66.7% | 0 |
| September 2025 | 9 | 9 | 66.7% | 0 |
| October 2025 | 52 | 52 | 86.5% | 0 |
| November 2025 | 60 | 50 | 76.0% | 10 |
| December 2025 | 62 | 60 | 61.7% | 2 |
| January 2026 | 21 | 20 | 50.0% | 1 |
| February 2026 | 40 | 40 | 70.0% | 0 |
| March 2026 | 38 | 38 | 92.1% | 0 |
| April 2026 | 48 | 48 | 85.4% | 0 |
| May 2026 | 22 | 22 | 72.7% | 0 |
| June 2026 | 5 | 5 | 60.0% | 0 |
| July 2026 | 4 | 4 | 75.0% | 0 |