Oakland (OAK) to Phoenix (PHX): On-Time Performance
Data through May 2026
The calendar drives reliability on OAK–PHX. March 2025 flights landed on schedule 91% of the time, but December 2025 dropped to 70% — a gap of 22 points. Across the full period the route averages 81% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 70%), which matters most in the rough months.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 5.4
- last 12 months
- Duration
- 1h 56m
- scheduled
- Distance
- 646 mi
Monthly on-time trend
Best time to fly from OAK to PHX
Aim for departures around 5 a.m. (97% on-time); avoid 9 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 12 min |
| Tuesday | 87% | 6 min |
| Wednesday | 86% | 8 min |
| Thursday | 76% | 14 min |
| Friday | 76% | 16 min |
| Saturdaybest | 88% | 7 min |
| Sunday | 78% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft60%
- Airline operations33%
- National airspace system7%
Frequently asked questions
- How often are flights from OAK to PHX delayed?
- 19% of OAK–PHX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 11 minutes.
- What is the best time of day to fly from OAK to PHX?
- Departures around 5 a.m. have the best record (97% on-time), while departures around 9 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from OAK to PHX?
- The scheduled OAK–PHX flight time averages 1h 56m over 646 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are OAK to PHX flights cancelled?
- 0.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from OAK to PHX?
- December 2025 was the roughest month in this dataset, with only 70% of arrivals on time. The best was March 2025 at 91%. If your dates are flexible, that 22-point gap is worth planning around.
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Based on 4,007 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.