OO4952
OO4952 (SkyWest Airlines) is a multi-stop service on 13 routes, busiest Sioux Falls to Chicago. Of 630 departures recorded from October 2024 to July 2026, 78.7% left on time, according to the US BTS.
- On-time departures78.7%of 630 flights
- Average delay18.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled3.0%
- Legs flown under this number13
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 20 | 31 | ▲ 55.0% |
| February | 22 | 27 | ▲ 22.7% |
| March | 31 | 31 | 0.0% |
| April | 30 | 7 | ▼ 76.7% |
| May | 30 | 11 | ▼ 63.3% |
| June | 29 | 30 | ▲ 3.4% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 16 | – | – |
| October | 30 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 193 | 168 | ▼ 13.0% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 75.0% | 70.4% | ▼ 6.2% |
| February | 90.9% | 62.5% | ▼ 31.3% |
| March | 83.9% | 69.0% | ▼ 17.8% |
| April | 83.3% | 66.7% | ▼ 20.0% |
| May | 96.7% | 81.8% | ▼ 15.4% |
| June | 86.2% | 79.3% | ▼ 8.0% |
| July | 76.7% | 86.2% | ▲ 12.4% |
| August | 87.1% | – | – |
| September | 100.0% | – | – |
| October | 90.0% | – | in progress |
| November | 85.7% | – | – |
| December | 51.6% | – | – |
| Year-to-date average (Jan–Jul) | 84.7% | 73.7% | ▼ 13.0% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 4 | – |
| February | 0 | 3 | – |
| March | 0 | 2 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 1 | 2 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 13 | ▲ 1,200.0% |
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 97.0% 611
- Cancelled 3.0% 19
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 |
|---|---|---|---|---|
| FSD ORD Sioux Falls Regional Airport – Chicago O'Hare International Airport | 743 | 17.5 min | 82.2% | 133 |
| SEA PHX Seattle–Tacoma International Airport – Phoenix Sky Harbor International Airport | 1,782 | 20.3 min | 87.4% | 111 |
| ASE DFW Aspen-Pitkin County Airport (Sardy Field) – Dallas Fort Worth International Airport | 1,128 | 26.6 min | 67.7% | 109 |
| PHX BOI Phoenix Sky Harbor International Airport – Boise Air Terminal/Gowen Field | 1,184 | 4.8 min | 90.7% | 75 |
| ORD MHK Chicago O'Hare International Airport – Manhattan Regional Airport | 804 | 32.9 min | 65.9% | 46 |
| DFW FLG Dallas Fort Worth International Airport – Flagstaff Pulliam Airport | 1,370 | 34.2 min | 58.1% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 77.5% | 0 |
| November 2024 | 57 | 55 | 74.6% | 2 |
| December 2024 | 34 | 33 | 63.6% | 1 |
| January 2025 | 20 | 20 | 75.0% | 0 |
| February 2025 | 22 | 22 | 90.9% | 0 |
| March 2025 | 31 | 31 | 83.9% | 0 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 30 | 30 | 96.7% | 0 |
| June 2025 | 29 | 29 | 86.2% | 0 |
| July 2025 | 31 | 30 | 76.7% | 1 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 16 | 16 | 100.0% | 0 |
| October 2025 | 30 | 30 | 90.0% | 0 |
| November 2025 | 30 | 28 | 85.7% | 2 |
| December 2025 | 31 | 31 | 51.6% | 0 |
| January 2026 | 31 | 27 | 70.4% | 4 |
| February 2026 | 27 | 24 | 62.5% | 3 |
| March 2026 | 31 | 29 | 69.0% | 2 |
| April 2026 | 7 | 6 | 66.7% | 1 |
| May 2026 | 11 | 11 | 81.8% | 0 |
| June 2026 | 30 | 29 | 79.3% | 1 |
| July 2026 | 31 | 29 | 86.2% | 2 |