San Luis Obispo (SBP) to Phoenix (PHX): On-Time Performance
Data through July 2026
The calendar drives reliability on SBP–PHX. January 2025 flights landed on schedule 92% of the time, but October 2025 dropped to 73% — a gap of 20 points. Across the full period the route averages 83% on-time against a national 78%.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 3.4
- last 12 months
- Duration
- 1h 44m
- scheduled
- Distance
- 509 mi
Best airline from SBP to PHX
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 89% | 8 min | 0.8% | 635 |
| SkyWest Airlines | 82% | 19 min | 0.6% | 977 |
| American Airlines | 81% | 29 min | 0.7% | 943 |
Monthly on-time trend
Best time to fly from SBP to PHX
Aim for departures around 9 a.m. (91% on-time); avoid 4 p.m. departures (76%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 29 min |
| Tuesdaybest | 88% | 22 min |
| Wednesday | 84% | 25 min |
| Thursday | 84% | 16 min |
| Friday | 84% | 16 min |
| Saturday | 82% | 18 min |
| Sunday | 81% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft28%
- Airline operations56%
- National airspace system6%
- Weather9%
- Security1%
Frequently asked questions
- How often are flights from SBP to PHX delayed?
- 17% of SBP–PHX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 20 minutes.
- Which airline is most reliable from SBP to PHX?
- Envoy Air has the best on-time record on this route at 89%, based on 635 flights. 3 airlines flew SBP–PHX frequently enough to compare in this period.
- What is the best time of day to fly from SBP to PHX?
- Departures around 9 a.m. have the best record (91% on-time), while departures around 4 p.m. have the worst (76%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SBP to PHX?
- The scheduled SBP–PHX flight time averages 1h 44m over 509 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are SBP to PHX flights cancelled?
- 0.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SBP to PHX?
- October 2025 was the roughest month in this dataset, with only 73% of arrivals on time. The best was January 2025 at 92%. If your dates are flexible, that 20-point gap is worth planning around.
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Based on 2,555 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.