OO3818
OO3818 (SkyWest Airlines) is a multi-stop service on 6 routes, busiest Portland to Seattle. Of 945 departures recorded from October 2024 to July 2026, 89.6% left on time, according to the US BTS.
- On-time departures89.6%of 945 flights
- Average delay4.0 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.4%
- Legs flown under this number6
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 | 52 | 31 | ▼ 40.4% |
| February | 48 | 45 | ▼ 6.3% |
| March | 25 | 62 | ▲ 148.0% |
| April | 21 | 42 | ▲ 100.0% |
| May | 30 | 8 | ▼ 73.3% |
| June | 53 | 48 | ▼ 9.4% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 50 | – | – |
| Year to date (Jan–Jul) | 291 | 298 | ▲ 2.4% |
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 | 84.0% | 90.3% | ▲ 7.5% |
| February | 81.3% | 95.6% | ▲ 17.6% |
| March | 88.0% | 90.0% | ▲ 2.3% |
| April | 90.5% | 92.9% | ▲ 2.6% |
| May | 90.0% | 100.0% | ▲ 11.1% |
| June | 88.7% | 89.6% | ▲ 1.0% |
| July | 85.5% | 85.5% | 0.0% |
| August | 100.0% | – | – |
| September | 95.0% | – | – |
| October | 93.6% | – | in progress |
| November | 98.3% | – | – |
| December | 82.0% | – | – |
| Year-to-date average (Jan–Jul) | 86.8% | 92.0% | ▲ 5.9% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 0.0% |
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 99.6% 941
- Cancelled 0.4% 4
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PDX SEA Portland International Airport – Seattle–Tacoma International Airport | 208 | 4.9 min | 89.3% | 499 |
| SEA PDX Seattle–Tacoma International Airport – Portland International Airport | 208 | -0.1 min | 92.3% | 366 |
| IAD DTW Washington Dulles International Airport – Detroit Metropolitan Wayne County Airport | 616 | 23.5 min | 80.7% | 31 |
| DTW IAD Detroit Metropolitan Wayne County Airport – Washington Dulles International Airport | 616 | 11.8 min | 77.4% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 24 | 24 | 87.5% | 0 |
| November 2024 | 34 | 34 | 70.6% | 0 |
| December 2024 | 4 | 4 | 100.0% | 0 |
| January 2025 | 52 | 50 | 84.0% | 2 |
| February 2025 | 48 | 48 | 81.3% | 0 |
| March 2025 | 25 | 25 | 88.0% | 0 |
| April 2025 | 21 | 21 | 90.5% | 0 |
| May 2025 | 30 | 30 | 90.0% | 0 |
| June 2025 | 53 | 53 | 88.7% | 0 |
| July 2025 | 62 | 62 | 85.5% | 0 |
| August 2025 | 62 | 62 | 100.0% | 0 |
| September 2025 | 60 | 60 | 95.0% | 0 |
| October 2025 | 62 | 62 | 93.6% | 0 |
| November 2025 | 60 | 60 | 98.3% | 0 |
| December 2025 | 50 | 50 | 82.0% | 0 |
| January 2026 | 31 | 31 | 90.3% | 0 |
| February 2026 | 45 | 45 | 95.6% | 0 |
| March 2026 | 62 | 60 | 90.0% | 2 |
| April 2026 | 42 | 42 | 92.9% | 0 |
| May 2026 | 8 | 8 | 100.0% | 0 |
| June 2026 | 48 | 48 | 89.6% | 0 |
| July 2026 | 62 | 62 | 85.5% | 0 |