OO3577
OO3577 (SkyWest Airlines) is a multi-stop service on 7 routes, busiest Detroit to Milwaukee. Of 406 departures recorded from May 2025 to July 2026, 79.8% left on time, according to the US BTS.
- On-time departures79.8%of 406 flights
- Average delay15.2 min
- July 202646▲ 48.4%vs July 2025
- Cancelled0.0%
- Legs flown under this number7
Recorded departures by month
Short series — OO3577 has only 11 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods11 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | 50 | 50 | 0.0% |
| June | 37 | 52 | ▲ 40.5% |
| July | 31 | 46 | ▲ 48.4% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 19 | – | – |
according to the US BTS · May 2025 → July 2026
On-time departures by month
Short series — OO3577 has only 11 months so far. Enough to show the level now, not enough to read a trend.
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 periods11 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | 92.0% | 88.0% | ▼ 4.3% |
| June | 89.2% | 67.3% | ▼ 24.5% |
| July | 80.7% | 67.4% | ▼ 16.4% |
| August | 71.0% | – | – |
| September | 93.3% | – | – |
| October | 90.3% | – | in progress |
| November | 82.8% | – | – |
| December | 42.1% | – | – |
according to the US BTS · May 2025 → July 2026
Average departure delay by month
Short series — OO3577 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · May 2025 → July 2026
Cancelled departures by month
Short series — OO3577 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods11 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · May 2025 → 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 100.0% 406
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · May 7, 2025 → Jul 31, 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 |
|---|---|---|---|---|
| DTW MKE Detroit Metropolitan Wayne County Airport – General Mitchell International Airport | 381 | 16.4 min | 79.9% | 194 |
| MCI AUS Kansas City International Airport – Austin Bergstrom International Airport | 1,047 | 29.0 min | 65.1% | 43 |
| AUS MCI Austin Bergstrom International Airport – Kansas City International Airport | 1,047 | 42.6 min | 60.5% | 43 |
| GSP DTW Greenville-Spartanburg International Airport – Detroit Metropolitan Wayne County Airport | 820 | 1.9 min | 87.5% | 32 |
| DTW GSP Detroit Metropolitan Wayne County Airport – Greenville-Spartanburg International Airport | 820 | -2.3 min | 96.9% | 32 |
| MSP DLH Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Duluth International Airport | 232 | 2.8 min | 87.1% | 31 |
| DLH MSP Duluth International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 232 | -5.2 min | 93.6% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| May 2025 | 50 | 50 | 92.0% | 0 |
| June 2025 | 37 | 37 | 89.2% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 31 | 31 | 71.0% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 29 | 29 | 82.8% | 0 |
| December 2025 | 19 | 19 | 42.1% | 0 |
| May 2026 | 50 | 50 | 88.0% | 0 |
| June 2026 | 52 | 52 | 67.3% | 0 |
| July 2026 | 46 | 46 | 67.4% | 0 |