PlainFlights

Route · PHX → PSC · 2020–2025 BTS data

Phoenix to Pasco/Kennewick/Richland

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PHX to PSC (Phoenix to Pasco/Kennewick/Richland) ranks #4414 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

87.7%
On-time
+8.7 pts
vs US avg
80 min
Delay when late
1,117
Flights
#4414 of 4927
Corpus placement

Cancelled

0.0%

Best Month

Sep 2024 96%

Worst Month

Mar 2025 73%

Distance

962 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 61 10 0 0 OO
Nov 2025 59 6 0 0 OO
Oct 2025 47 3 0 0 OO
Sep 2025 43 7 0 0 OO
Aug 2025 61 6 0 0 OO
Jul 2025 61 9 0 0 OO
Jun 2025 60 11 0 0 OO
May 2025 62 3 0 0 OO
Apr 2025 60 7 0 0 OO
Mar 2025 64 17 0 0 OO
Feb 2025 56 4 0 0 OO
Jan 2025 61 5 0 0 OO
Dec 2024 61 15 0 1 OO
Nov 2024 58 10 0 0 OO
Oct 2024 62 6 0 0 OO
Sep 2024 57 2 0 0 OO
Aug 2024 31 4 0 0 OO
Jul 2024 31 5 0 0 OO
Jun 2024 30 1 0 0 OO
May 2024 31 2 0 0 OO
Apr 2024 30 2 0 0 OO
Mar 2024 31 2 0 0 OO

PHX–PSC seasonal on-time pattern

Best: May (94.6%) · weakest: December (79.5%)

75%80%85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 79.5%

Strongest calendar month

May

94.6% on-time · ~47 flights/mo

Busiest calendar month

January

~61 flights/mo avg

Weakest calendar month

December

79.5% on-time · ~61 flights/mo

Cancellation Rate

0.0%

0 of 1,117 flights

Diversion Rate

0.1%

1 of 1,117 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 profile

PSC - Pasco/Kennewick/Richland

Full on-time, delay-cause, and seasonal performance for Pasco/Kennewick/Richland, WA.

PSC on-time profile

Compare the two airports

See PHX and PSC side by side on delays, cancellations, and reliability.

Compare PHX vs PSC

Origin-hub reliability standing

Among PHX's stronger departures

PHX → PSC posts a 87.7% 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 #487 of 4927 (highest on-time = #1).

What the Data Says About PHX to PSC

Phoenix to Pasco/Kennewick/Richland (PHX to PSC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.7% on-time rate across 1,117 flights, with delays that do happen averaging 79.5 minutes. The corridor runs roughly 962 miles and is served by 1 carrier. Over the most recent 24 months, 0 of 1,117 flights were cancelled (0.0%) and 1 diverted (0.1%).

The monthly split is wide on this route: Sep 2024 posted the strongest performance at 96% on-time, while Mar 2025 came in at just 73% - a 23-point swing worth factoring into travel timing.

On the multi-year calendar, PHX–PSC peaks in May at 94.6% on-time while January carries the heaviest traffic (~61 flights per month) ; the softest month is December at 79.5%, a 15.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does PHX to PSC rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, PHX to PSC ranks #4414 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from PHX to PSC? ▼
Flights from Phoenix to Pasco/Kennewick/Richland have a 87.7% on-time rate based on 1,117 flights. The average delay is 79.5 minutes. The best recent month was Sep 2024 with 96% on-time.
What is the cancellation rate for PHX to PSC? ▼
Over the last 24 months, 0.0% of flights on this route were cancelled (0 of 1,117 flights) and 0.1% were diverted.
How far is the flight from PHX to PSC? ▼
The flight distance from Phoenix (PHX) to Pasco/Kennewick/Richland (PSC) is approximately 962 miles. This route is served by 1 carrier.
When is the best time to fly from PHX to PSC? ▼
The best recent month for on-time performance was Sep 2024 (96% on-time). The worst was Mar 2025 (73% on-time). Consider booking during months with historically better performance.

Airports on this route

PHX Airport

Phoenix
PSC Airport

Pasco/Kennewick/Richland
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–PSC data

PHX–PSC runs 8.7 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 PSC airport profiles: delay causes and top routes differ even on the same corridor. PHX airport
  • If your dates flex, May (94.6% on-time) beats December (79.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 87.7% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.