Route · PHX → SBP · 2020–2025 BTS data
Phoenix to San Luis Obispo
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PHX to SBP (Phoenix to San Luis Obispo) ranks #1968 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 85.6%
- On-time
- +6.6 pts
- vs US avg
- 75 min
- Delay when late
- 6,372
- Flights
- #1968 of 4927
- Corpus placement
Cancelled
0.5%
Best Month
Jan 2025 93%
Worst Month
Jul 2025 70%
Distance
509 mi
Carriers
12
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 138 | 18 | 1 | 1 | AA,MQ,OO |
| Nov 2025 | 127 | 17 | 4 | 1 | MQ,OO,AA |
| Oct 2025 | 103 | 24 | 0 | 2 | AA,OO,MQ |
| Sep 2025 | 83 | 12 | 2 | 0 | OO,AA |
| Aug 2025 | 93 | 12 | 0 | 0 | AA,OO |
| Jul 2025 | 92 | 28 | 1 | 0 | AA,OO |
| Jun 2025 | 90 | 20 | 0 | 1 | AA,OO,MQ |
| May 2025 | 95 | 23 | 0 | 0 | AA,MQ |
| Apr 2025 | 106 | 9 | 0 | 0 | MQ,OO |
| Mar 2025 | 121 | 23 | 0 | 0 | OO,MQ |
| Feb 2025 | 92 | 17 | 1 | 0 | OO,MQ |
| Jan 2025 | 90 | 6 | 0 | 0 | OO,MQ |
| Dec 2024 | 112 | 16 | 1 | 4 | AA,MQ,OO |
| Nov 2024 | 114 | 16 | 0 | 1 | OO,MQ,AA |
| Oct 2024 | 115 | 27 | 0 | 1 | MQ,OO,AA |
| Sep 2024 | 93 | 11 | 0 | 0 | OO,AA,MQ |
| Aug 2024 | 84 | 15 | 1 | 0 | AA,OO |
| Jul 2024 | 93 | 25 | 0 | 1 | AA,MQ,OO |
| Jun 2024 | 90 | 11 | 0 | 1 | AA,MQ,OO |
| May 2024 | 94 | 12 | 0 | 1 | AA,OO |
| Apr 2024 | 90 | 10 | 0 | 0 | AA,OO |
| Mar 2024 | 95 | 11 | 0 | 1 | OO |
| Feb 2024 | 87 | 10 | 1 | 0 | MQ,OO |
| Jan 2024 | 93 | 12 | 0 | 1 | AA,MQ,OO |
PHX–SBP seasonal on-time pattern
Best: April (91.1%) · weakest: October (81.2%)
Strongest calendar month
April
91.1% on-time · ~92 flights/mo
Busiest calendar month
March
~102 flights/mo avg
Weakest calendar month
October
81.2% on-time · ~96 flights/mo
Cancellation Rate
0.5%
12 of 2,390 flights
Diversion Rate
0.7%
16 of 2,390 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
PHX on-time profileSBP - San Luis Obispo
Full on-time, delay-cause, and seasonal performance for San Luis Obispo, CA.
SBP on-time profileCompare the two airports
See PHX and SBP side by side on delays, cancellations, and reliability.
Compare PHX vs SBPOrigin-hub reliability standing
Among PHX's stronger departures
PHX → SBP posts a 85.6% on-time rate, landing in the ≥85% band with 25 of 97 BTS-tracked routes leaving Phoenix. The same hub also shows 71 mid-band and 1 challenged departures · fleet-wide on-time rank #1035 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to PHX–SBP.
Routes with a similar on-time rate
What the Data Says About PHX to SBP
Phoenix to San Luis Obispo (PHX to SBP) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.6% on-time rate across 6,372 flights, with delays that do happen averaging 74.5 minutes. The corridor runs roughly 509 miles and is served by 12 carriers. Over the most recent 24 months, 12 of 2,390 flights were cancelled (0.5%) and 16 diverted (0.7%).
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 93% on-time, while Jul 2025 came in at just 70% - a 24-point swing worth factoring into travel timing.
On the multi-year calendar, PHX–SBP peaks in April at 91.1% on-time while March carries the heaviest traffic (~102 flights per month) ; the softest month is October at 81.2%, a 9.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does PHX to SBP rank among US routes by traffic? ▼
How often are flights delayed from PHX to SBP? ▼
What is the cancellation rate for PHX to SBP? ▼
How far is the flight from PHX to SBP? ▼
When is the best time to fly from PHX to SBP? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using PHX–SBP data
PHX–SBP runs 6.6 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare PHX and SBP airport profiles: delay causes and top routes differ even on the same corridor. PHX airport
- If your dates flex, April (91.1% on-time) beats October (81.2%) on this corridor. Seasonal chart
- 4 other routes post a similar 85.6% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.