OO3520
OO3520 (SkyWest Airlines) is a multi-stop service on 8 routes, busiest Salt Lake City to Colorado Springs. Of 286 departures recorded from April 2025 to May 2026, 89.5% left on time, according to the US BTS.
- On-time departures89.5%of 286 flights
- Average delay4.5 min
- May 20262▼ 96.4%vs May 2025
- Cancelled0.4%
- Legs flown under this number8
Recorded departures by month
Short series — OO3520 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 | – | 2 | – |
| February | – | – | – |
| March | – | – | – |
| April | 17 | – | – |
| May | 56 | 2 | ▼ 96.4% |
| June | 37 | – | – |
| July | 31 | – | – |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 19 | – | – |
according to the US BTS · April 2025 → May 2026
On-time departures by month
Short series — OO3520 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 | – | 50.0% | – |
| February | – | – | – |
| March | – | – | – |
| April | 82.4% | – | – |
| May | 85.7% | 100.0% | ▲ 16.7% |
| June | 94.6% | – | – |
| July | 83.9% | – | – |
| August | 87.1% | – | – |
| September | 96.7% | – | – |
| October | 96.8% | – | in progress |
| November | 96.7% | – | – |
| December | 77.8% | – | – |
according to the US BTS · April 2025 → May 2026
Average departure delay by month
Short series — OO3520 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 · April 2025 → May 2026
Cancelled departures by month
Short series — OO3520 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 | – | 0 | – |
| February | – | – | – |
| March | – | – | – |
| April | 0 | – | – |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
according to the US BTS · April 2025 → 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 99.7% 285
- Cancelled 0.3% 1
Share of all recorded flights in the period, all legs. · Apr 14, 2025 → May 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SLC COS Salt Lake City International Airport – City of Colorado Springs Municipal Airport | 660 | 3.0 min | 90.7% | 195 |
| MSP FSD Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Sioux Falls Regional Airport | 315 | 4.6 min | 90.6% | 32 |
| FSD MSP Sioux Falls Regional Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 315 | 10.0 min | 87.5% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2025 | 17 | 17 | 82.4% | 0 |
| May 2025 | 56 | 56 | 85.7% | 0 |
| June 2025 | 37 | 37 | 94.6% | 0 |
| July 2025 | 31 | 31 | 83.9% | 0 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 30 | 30 | 96.7% | 0 |
| December 2025 | 19 | 18 | 77.8% | 1 |
| January 2026 | 2 | 2 | 50.0% | 0 |
| May 2026 | 2 | 2 | 100.0% | 0 |