OO3589
OO3589 (SkyWest Airlines) is a multi-stop service on 7 routes, busiest Seattle to Ontario. Of 223 departures recorded from April 2025 to May 2026, 86.1% left on time, according to the US BTS.
- On-time departures86.1%of 223 flights
- Average delay7.4 min
- May 202610▼ 75.0%vs May 2025
- Cancelled0.0%
- Legs flown under this number7
Recorded departures by month
Short series — OO3589 has only 7 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 periods7 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 1 | 32 | ▲ 3,100.0% |
| May | 40 | 10 | ▼ 75.0% |
| June | 58 | – | – |
| July | 62 | – | – |
| August | 20 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → May 2026
On-time departures by month
Short series — OO3589 has only 7 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 periods7 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 100.0% | 84.4% | ▼ 15.6% |
| May | 90.0% | 70.0% | ▼ 22.2% |
| June | 86.2% | – | – |
| July | 91.9% | – | – |
| August | 70.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → May 2026
Average departure delay by month
Short series — OO3589 has only 7 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 — OO3589 has only 7 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods7 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 100.0% 223
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Apr 23, 2025 → May 6, 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 |
|---|---|---|---|---|
| SEA ONT Seattle–Tacoma International Airport – Ontario International Airport | 1,540 | 3.5 min | 87.5% | 64 |
| ONT SEA Ontario International Airport – Seattle–Tacoma International Airport | 1,540 | 2.8 min | 82.8% | 64 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2025 | 1 | 1 | 100.0% | 0 |
| May 2025 | 40 | 40 | 90.0% | 0 |
| June 2025 | 58 | 58 | 86.2% | 0 |
| July 2025 | 62 | 62 | 91.9% | 0 |
| August 2025 | 20 | 20 | 70.0% | 0 |
| April 2026 | 32 | 32 | 84.4% | 0 |
| May 2026 | 10 | 10 | 70.0% | 0 |