OO3021
OO3021 (SkyWest Airlines) is a multi-stop service on 6 routes, busiest Denver to San Diego. Of 171 departures recorded from August 2025 to June 2026, 91.0% left on time, according to the US BTS.
- On-time departures91.0%of 171 flights
- Average delay-1.5 min
- June 20268
- Cancelled2.9%
- Legs flown under this number6
Recorded departures by month
Short series — OO3021 has only 10 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 periods10 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 30 | – |
| February | – | 28 | – |
| March | – | 19 | – |
| April | – | 3 | – |
| May | – | 19 | – |
| June | – | 8 | – |
| July | – | – | – |
| August | 1 | – | – |
| September | – | – | – |
| October | 7 | – | in progress |
| November | 29 | – | – |
| December | 27 | – | – |
according to the US BTS · August 2025 → June 2026
On-time departures by month
Short series — OO3021 has only 10 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 periods10 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 93.3% | – |
| February | – | 100.0% | – |
| March | – | 94.4% | – |
| April | – | 100.0% | – |
| May | – | 72.2% | – |
| June | – | 87.5% | – |
| July | – | – | – |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 92.9% | – | – |
| December | 84.0% | – | – |
according to the US BTS · August 2025 → June 2026
Average departure delay by month
Short series — OO3021 has only 10 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 · August 2025 → June 2026
Cancelled departures by month
Short series — OO3021 has only 10 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods10 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 1 | – |
| April | – | 0 | – |
| May | – | 1 | – |
| June | – | 0 | – |
| July | – | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 2 | – | – |
according to the US BTS · August 2025 → June 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 97.1% 166
- Cancelled 2.9% 5
Share of all recorded flights in the period, all legs. · Aug 20, 2025 → Jun 8, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN SAN Denver International Airport – San Diego International Airport | 1,371 | -3.2 min | 94.1% | 85 |
| SAN DEN San Diego International Airport – Denver International Airport | 1,371 | 0.7 min | 86.7% | 79 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| August 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 7 | 7 | 100.0% | 0 |
| November 2025 | 29 | 28 | 92.9% | 1 |
| December 2025 | 27 | 25 | 84.0% | 2 |
| January 2026 | 30 | 30 | 93.3% | 0 |
| February 2026 | 28 | 28 | 100.0% | 0 |
| March 2026 | 19 | 18 | 94.4% | 1 |
| April 2026 | 3 | 3 | 100.0% | 0 |
| May 2026 | 19 | 18 | 72.2% | 1 |
| June 2026 | 8 | 8 | 87.5% | 0 |