Stillwater Regional (SWO) Delays and On-Time Departures
Stillwater, OK · ranked 85th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
83.5% of the 729 flights scheduled to depart Stillwater (SWO) in the last 12 months left on time, 6.1 points above the US average of 77.4%.
That ranks 85th of 333 US airports tracked on this site, with 3.6% of departures cancelled.
Among airlines at Stillwater (SWO), SkyWest Airlines left on time most often (87.3%).
Over 24 months, Tuesday was the most reliable day (91% on time) and April the worst month (73%).
Best time of day to fly out of Stillwater (SWO)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 89.9% | 5.3% | 94 |
| 6am–7am | 90.2% | 3.6% | 635 |
| 7am–8am | Limited data | 1 | |
| 2pm–3pm | 77.8% | 3.3% | 611 |
| 3pm–4pm | 81.4% | 3.5% | 116 |
Airlines at SWO ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| SkyWest Airlines | 87.3% | 86.6% | 1.2% | 326 |
| PSA Airlines | 80.4% | 79.2% | 5.5% | 403 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of SWO
On-time departures by day, 24 months.
Best month to fly out of SWO
On-time departures by month, 24 months.
Holiday travel at Stillwater (SWO)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 26 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 86.0% | +2.8 pts | 3.4% | 59 |
| Summer peak (Jun 15 - Aug 15) | 89.3% | +6.1 pts | 2.0% | 248 |
| All other days | 83.2% | — | 3.9% | 1,124 |
Monthly on-time departure trend at SWO
On-time departure % each month, with the 12-month US average for reference.
Routes from Stillwater (SWO)
Every route from SWO with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| SWO → Dallas/Fort Worth (DFW) | 82.6% | 3.6% | 729 |