OO5639
OO5639 (SkyWest Airlines) is a multi-stop service on 4 routes, busiest Fayetteville to Chicago. Of 56 departures recorded from October 2024 to July 2026, 88.5% left on time, according to the US BTS.
- On-time departures88.5%of 56 flights
- Average delay2.6 min
- July 202631
- Cancelled7.1%
- Legs flown under this number4
Recorded departures by month
Short series — OO5639 has only 4 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 periods3 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | 15 | – | – |
| June | – | 6 | – |
| July | – | 31 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Short series — OO5639 has only 4 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 periods3 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | 86.7% | – | – |
| June | – | 100.0% | – |
| July | – | 85.2% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Short series — OO5639 has only 4 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 · October 2024 → July 2026
Cancelled departures by month
Short series — OO5639 has only 4 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods3 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | 0 | – | – |
| June | – | 0 | – |
| July | – | 4 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 92.9% 52
- Cancelled 7.1% 4
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| XNA ORD Northwest Arkansas National Airport – Chicago O'Hare International Airport | 840 | 2.9 min | 85.2% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 4 | 4 | 100.0% | 0 |
| May 2025 | 15 | 15 | 86.7% | 0 |
| June 2026 | 6 | 6 | 100.0% | 0 |
| July 2026 | 31 | 27 | 85.2% | 4 |