Best Time to Fly PHX to OAK: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → Oakland International
Data through July 2026 · Last updated October 18, 2026
1,925 flights were scheduled from Phoenix (PHX) to Oakland (OAK) in the last 12 months, and 76.2% of those that flew arrived on time, 1.4 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
January has been the best month (87% on time) and Sunday the weakest day of the week (75%).
0.4% of flights were cancelled, versus 1.8% nationally.
PHX to OAK 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 | 76.2% | 47 min | 0.4% | 1,925 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to OAK
On-time arrival % by scheduled departure hour (local time), 3,996 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 97.7% | 0.0% | 171 |
| 6am–7am | 98.7% | 0.6% | 157 |
| 7am–8am | 94.3% | 1.1% | 265 |
| 8am–9am | 90.8% | 0.6% | 330 |
| 9am–10am | 89.8% | 0.0% | 186 |
| 10am–11am | 82.0% | 1.0% | 197 |
| 11am–12pm | 82.4% | 0.9% | 224 |
| 12pm–1pm | 83.9% | 0.0% | 118 |
| 1pm–2pm | 88.2% | 0.0% | 187 |
| 2pm–3pm | 73.2% | 0.5% | 195 |
| 3pm–4pm | 67.0% | 0.0% | 194 |
| 4pm–5pm | 79.4% | 0.0% | 272 |
| 5pm–6pm | 70.9% | 0.0% | 268 |
| 6pm–7pm | 73.6% | 0.0% | 174 |
| 7pm–8pm | 68.6% | 0.0% | 239 |
| 8pm–9pm | 62.4% | 0.0% | 359 |
| 9pm–10pm | 64.2% | 0.0% | 229 |
| 10pm–11pm | 66.5% | 0.0% | 225 |
| 11pm–12am | Limited data | 6 | |
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 OAK
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) | 82.6% | +2.0 pts | 0.0% | 86 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.1% | -7.4 pts | 0.0% | 175 |
| Summer peak (Jun 15 - Aug 15) | 70.9% | -9.6 pts | 0.6% | 685 |
| All other days | 80.5% | — | 0.2% | 3,050 |
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).