Route · SBP → PHX · 2020–2025 BTS data
San Luis Obispo to Phoenix
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SBP to PHX (San Luis Obispo to Phoenix) ranks #1969 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 83.6%
- On-time
- +4.6 pts
- vs US avg
- 99 min
- Delay when late
- 6,372
- Flights
- #1969 of 4927
- Corpus placement
Cancelled
0.7%
Best Month
Feb 2024 97%
Worst Month
Oct 2025 73%
Distance
509 mi
Carriers
12
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 138 | 14 | 2 | 0 | AA,MQ,OO |
| Nov 2025 | 127 | 28 | 4 | 0 | MQ,OO,AA |
| Oct 2025 | 103 | 28 | 1 | 0 | AA,OO,MQ |
| Sep 2025 | 83 | 21 | 2 | 0 | OO,AA |
| Aug 2025 | 92 | 11 | 0 | 0 | AA,OO |
| Jul 2025 | 92 | 12 | 1 | 0 | AA,OO |
| Jun 2025 | 90 | 22 | 0 | 0 | AA,OO,MQ |
| May 2025 | 95 | 11 | 1 | 0 | AA,MQ |
| Apr 2025 | 106 | 10 | 1 | 0 | MQ,OO |
| Mar 2025 | 121 | 25 | 1 | 0 | OO,MQ |
| Feb 2025 | 92 | 14 | 0 | 0 | OO,MQ |
| Jan 2025 | 90 | 7 | 0 | 0 | OO,MQ |
| Dec 2024 | 112 | 16 | 1 | 0 | AA,MQ,OO |
| Nov 2024 | 114 | 15 | 0 | 0 | OO,MQ,AA |
| Oct 2024 | 115 | 20 | 0 | 0 | MQ,OO,AA |
| Sep 2024 | 93 | 10 | 0 | 0 | OO,AA,MQ |
| Aug 2024 | 84 | 16 | 1 | 0 | AA,OO |
| Jul 2024 | 93 | 16 | 0 | 0 | AA,MQ,OO |
| Jun 2024 | 90 | 13 | 0 | 0 | AA,MQ,OO |
| May 2024 | 94 | 12 | 0 | 0 | AA,OO |
| Apr 2024 | 90 | 15 | 0 | 0 | AA,OO |
| Mar 2024 | 95 | 9 | 0 | 1 | OO |
| Feb 2024 | 87 | 3 | 1 | 0 | MQ,OO |
| Jan 2024 | 93 | 11 | 0 | 0 | AA,MQ,OO |
SBP–PHX seasonal on-time pattern
Best: May (88.0%) · weakest: June (78.3%)
Strongest calendar month
May
88.0% on-time · ~93 flights/mo
Busiest calendar month
March
~102 flights/mo avg
Weakest calendar month
June
78.3% on-time · ~88 flights/mo
Cancellation Rate
0.7%
16 of 2,389 flights
Diversion Rate
0.0%
1 of 2,389 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SBP - San Luis Obispo
Full on-time, delay-cause, and seasonal performance for San Luis Obispo, CA.
SBP on-time profilePHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
PHX on-time profileCompare the two airports
See SBP and PHX side by side on delays, cancellations, and reliability.
Compare SBP vs PHXOrigin-hub reliability standing
Mid-pack among SBP departures
From SBP, this corridor sits with 4 other 75–85% on-time routes out of 7 tracked departures, not the hub's reliability leaders (3 at ≥85%) and not the softest ( 0 below 75%). Destination: Phoenix · fleet on-time rank #1739 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SBP–PHX.
Routes with a similar on-time rate
What the Data Says About SBP to PHX
Bureau of Transportation Statistics records show San Luis Obispo to Phoenix (SBP to PHX) running a 83.6% on-time rate over 6,372 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 98.6 minutes. The 509-mile corridor is served by 12 carriers, and over the last 24 months 0.7% of 2,389 flights were cancelled, 0.0% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 97% on-time, while Oct 2025 came in at just 73% - a 24-point swing worth factoring into travel timing.
On the multi-year calendar, SBP–PHX peaks in May at 88.0% on-time while March carries the heaviest traffic (~102 flights per month) ; the softest month is June at 78.3%, a 9.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SBP to PHX rank among US routes by traffic? ▼
How often are flights delayed from SBP to PHX? ▼
What is the cancellation rate for SBP to PHX? ▼
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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 SBP–PHX data
SBP–PHX runs 4.6 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SBP and PHX airport profiles: delay causes and top routes differ even on the same corridor. SBP airport
- If your dates flex, May (88.0% on-time) beats June (78.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 83.6% 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.