Best Time to Fly PHX to SBP: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → San Luis Obispo County Regional
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 84.0% of Phoenix (PHX) to San Luis Obispo (SBP) flights arrived on time (1,259 scheduled flights). That is 6.4 points above the national average of 77.6%.
Envoy Air was the most punctual of the 3 airlines on the route at 92.2%, while SkyWest Airlines trailed at 78.8%.
April has been the best month (89% on time) and Sunday the weakest day of the week (80%).
0.8% of flights were cancelled, versus 1.8% nationally.
PHX to SBP on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Air | 92.2% | 44 min | 1.0% | 301 |
| American Airlines | 83.6% | 92 min | 0.8% | 531 |
| SkyWest Airlines | 78.8% | 67 min | 0.7% | 427 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to SBP
On-time arrival % by scheduled departure hour (local time), 2,463 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 5 | |
| 8am–9am | 91.6% | 2.7% | 111 |
| 10am–11am | 88.4% | 0.0% | 473 |
| 11am–12pm | 91.2% | 0.0% | 250 |
| 1pm–2pm | 77.5% | 0.0% | 98 |
| 2pm–3pm | 77.7% | 1.0% | 291 |
| 3pm–4pm | 77.7% | 0.0% | 130 |
| 4pm–5pm | 85.9% | 0.3% | 320 |
| 5pm–6pm | 86.8% | 0.3% | 300 |
| 6pm–7pm | Limited data | 2 | |
| 8pm–9pm | 75.5% | 0.5% | 200 |
| 9pm–10pm | 70.1% | 1.3% | 231 |
| 10pm–11pm | 80.8% | 3.9% | 51 |
| 11pm–12am | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHX to SBP
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 88.5% | +4.2 pts | 0.0% | 63 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.9% | -6.5 pts | 0.8% | 123 |
| Summer peak (Jun 15 - Aug 15) | 78.5% | -5.8 pts | 0.8% | 395 |
| All other days | 84.3% | — | 0.5% | 1,882 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).