Best Time to Fly OAK to PHX: On-Time Stats by Hour & Airline
Oakland International → Phoenix Sky Harbor International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.7% of Oakland (OAK) to Phoenix (PHX) flights arrived on time (1,901 scheduled flights). That is in line with the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Saturday was the most reliable day (88% on time) and June the worst month (71%).
The cancellation rate was 0.3% (US average 1.8%).
OAK to PHX 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 |
|---|---|---|---|---|
| Southwest Airlines | 77.7% | 55 min | 0.3% | 1,900 |
| SkyWest Airlines | Limited data | 1 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly OAK to PHX
On-time arrival % by scheduled departure hour (local time), 3,968 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 97.1% | 0.2% | 516 |
| 6am–7am | 93.7% | 0.6% | 160 |
| 7am–8am | 93.3% | 0.0% | 89 |
| 8am–9am | 89.7% | 0.8% | 400 |
| 9am–10am | 88.0% | 0.0% | 118 |
| 10am–11am | 88.9% | 0.0% | 226 |
| 11am–12pm | 83.8% | 0.0% | 205 |
| 12pm–1pm | 80.7% | 0.0% | 181 |
| 1pm–2pm | 75.5% | 0.5% | 189 |
| 2pm–3pm | 83.8% | 0.0% | 186 |
| 3pm–4pm | 73.4% | 0.0% | 324 |
| 4pm–5pm | 63.8% | 0.7% | 143 |
| 5pm–6pm | 65.8% | 0.0% | 219 |
| 6pm–7pm | 79.3% | 0.4% | 247 |
| 7pm–8pm | 73.6% | 0.0% | 322 |
| 8pm–9pm | 60.5% | 0.0% | 210 |
| 9pm–10pm | 59.1% | 0.0% | 142 |
| 10pm–11pm | 72.5% | 0.0% | 91 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on OAK to PHX
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) | 87.2% | +5.0 pts | 0.0% | 86 |
| Christmas & New Year (Dec 20 - Jan 3) | 72.3% | -9.9 pts | 0.0% | 177 |
| Summer peak (Jun 15 - Aug 15) | 74.4% | -7.7 pts | 0.1% | 660 |
| All other days | 82.2% | — | 0.2% | 3,045 |
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).