OO3539
OO3539 (SkyWest Airlines) is a multi-stop service on 7 routes, busiest Dulles to Minneapolis. Of 193 departures recorded from April 2025 to April 2026, 90.7% left on time, according to the US BTS.
- On-time departures90.7%of 193 flights
- Average delay2.0 min
- April 20265▼ 70.6%vs April 2025
- Cancelled0.0%
- Legs flown under this number7
Recorded departures by month
Short series — OO3539 has only 8 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 periods8 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 17 | 5 | ▼ 70.6% |
| May | 46 | – | – |
| June | 48 | – | – |
| July | 2 | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 26 | – | in progress |
| November | 30 | – | – |
| December | 19 | – | – |
according to the US BTS · April 2025 → April 2026
On-time departures by month
Short series — OO3539 has only 8 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 periods8 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 94.1% | 80.0% | ▼ 15.0% |
| May | 91.3% | – | – |
| June | 83.3% | – | – |
| July | 100.0% | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 96.2% | – | in progress |
| November | 96.7% | – | – |
| December | 89.5% | – | – |
according to the US BTS · April 2025 → April 2026
Average departure delay by month
Short series — OO3539 has only 8 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 → April 2026
Cancelled departures by month
Short series — OO3539 has only 8 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods8 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · April 2025 → April 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% 193
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Apr 14, 2025 → Apr 20, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAD MSP Washington Dulles International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,459 | -0.6 min | 94.7% | 75 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2025 | 17 | 17 | 94.1% | 0 |
| May 2025 | 46 | 46 | 91.3% | 0 |
| June 2025 | 48 | 48 | 83.3% | 0 |
| July 2025 | 2 | 2 | 100.0% | 0 |
| October 2025 | 26 | 26 | 96.2% | 0 |
| November 2025 | 30 | 30 | 96.7% | 0 |
| December 2025 | 19 | 19 | 89.5% | 0 |
| April 2026 | 5 | 5 | 80.0% | 0 |