San Jose (SJC) to Phoenix (PHX): On-Time Performance
Data through May 2026
On this route, when you fly matters more than who you fly. Book the morning: morning departures from SJC reach PHX on time 93% of the time, versus 77% later in the day. Overall the route posts a 85% on-time rate, ahead of the national 78%.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 10 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 8.3
- last 12 months
- Duration
- 1h 54m
- scheduled
- Distance
- 621 mi
Best airline from SJC to PHX
5 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| American Airlinesmost reliable | 89% | 13 min | 0.5% | 939 |
| Envoy Air | 89% | 6 min | 0.6% | 490 |
| SkyWest Airlines | 87% | 14 min | 0.4% | 953 |
| Frontier Airlines | 83% | 15 min | 0.5% | 188 |
| Southwest Airlines | 83% | 9 min | 0.3% | 3,819 |
Monthly on-time trend
Best time to fly from SJC to PHX
Aim for departures around 7 a.m. (96% on-time); avoid 9 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 12 min |
| Tuesdaybest | 89% | 8 min |
| Wednesday | 88% | 8 min |
| Thursday | 82% | 11 min |
| Friday | 84% | 12 min |
| Saturday | 89% | 8 min |
| Sunday | 82% | 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 aircraft54%
- Airline operations36%
- National airspace system8%
- Weather2%
Frequently asked questions
- How often are flights from SJC to PHX delayed?
- 15% of SJC–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 10 minutes.
- Which airline is most reliable from SJC to PHX?
- American Airlines has the best on-time record on this route at 89%, based on 939 flights. 5 airlines flew SJC–PHX frequently enough to compare in this period.
- What is the best time of day to fly from SJC to PHX?
- Departures around 7 a.m. have the best record (96% on-time), while departures around 9 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SJC to PHX?
- The scheduled SJC–PHX flight time averages 1h 54m over 621 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are SJC to PHX flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for SJC to PHX?
- Tuesday flights have the best record at 89% on-time. Day-of-week differences on this route are modest.
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Based on 6,389 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.