OO3863
OO3863 (SkyWest Airlines) is a multi-stop service on 15 routes, busiest Chicago to New York. Of 528 departures recorded from October 2024 to May 2026, 80.0% left on time, according to the US BTS.
- On-time departures80.0%of 528 flights
- Average delay14.3 min
- May 202612▲ 100.0%vs May 2025
- Cancelled0.6%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 32 | ▲ 3.2% |
| February | 28 | 54 | ▲ 92.9% |
| March | 31 | 62 | ▲ 100.0% |
| April | 30 | 60 | ▲ 100.0% |
| May | 6 | 12 | ▲ 100.0% |
| June | 36 | – | – |
| July | 46 | – | – |
| August | 18 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | – | – | – |
| Year to date (Jan–May) | 126 | 220 | ▲ 74.6% |
according to the US BTS · October 2024 → May 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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 74.2% | 59.4% | ▼ 20.0% |
| February | 96.4% | 61.1% | ▼ 36.6% |
| March | 80.7% | 68.3% | ▼ 15.3% |
| April | 93.1% | 78.3% | ▼ 15.9% |
| May | 100.0% | 83.3% | ▼ 16.7% |
| June | 88.9% | – | – |
| July | 93.5% | – | – |
| August | 88.9% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 100.0% | – | – |
| December | – | – | – |
| Year-to-date average (Jan–May) | 88.9% | 70.1% | ▼ 21.1% |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
| Year to date (Jan–May) | 1 | 2 | ▲ 100.0% |
according to the US BTS · October 2024 → May 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 99.4% 525
- Cancelled 0.6% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → May 6, 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 JFK Chicago O'Hare International Airport – John F. Kennedy International Airport | 1,188 | 5.3 min | 88.5% | 192 |
| MSP FSD Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Sioux Falls Regional Airport | 315 | 1.7 min | 92.0% | 50 |
| FSD MSP Sioux Falls Regional Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 315 | 0.5 min | 90.0% | 50 |
| STL DTW St. Louis Lambert International Airport – Detroit Metropolitan Wayne County Airport | 707 | 17.0 min | 77.8% | 36 |
| DTW STL Detroit Metropolitan Wayne County Airport – St. Louis Lambert International Airport | 707 | 27.3 min | 61.1% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 31 | 80.7% | 0 |
| January 2025 | 31 | 31 | 74.2% | 0 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 30 | 29 | 93.1% | 1 |
| May 2025 | 6 | 6 | 100.0% | 0 |
| June 2025 | 36 | 36 | 88.9% | 0 |
| July 2025 | 46 | 46 | 93.5% | 0 |
| August 2025 | 18 | 18 | 88.9% | 0 |
| November 2025 | 1 | 1 | 100.0% | 0 |
| January 2026 | 32 | 32 | 59.4% | 0 |
| February 2026 | 54 | 54 | 61.1% | 0 |
| March 2026 | 62 | 60 | 68.3% | 2 |
| April 2026 | 60 | 60 | 78.3% | 0 |
| May 2026 | 12 | 12 | 83.3% | 0 |