Pasco

PSC · KPSC

Tri Cities Airport

46.26°, -119.12°WA, United States

Passengers a year

1.1M

#141 busiest in the U.S.

11

nonstop destinations

10

airlines

20

departures a day

82.9%

arrivals on time

0.5%

flights cancelled

83.4%

load factor

The ten busiest routes from PSC, by passengers: SEA, SLC, DEN, PHX, MSP, SFO, LAX, AZA, LAS, BURPSCSEAMSPDENSLCAZAPHXLASBURLAXSFO
Nonstop routes — the ten busiest. Filed traffic, June 2025 – May 2026.

Airlines

Delta Air Lines is the largest carrier at Pasco, with 36% of all passengers. 10 airlines fly from here.

Share of passengers · each carrier as a slice of the whole airport

Delta Air Lines holds 36% of the airport — the 42nd most concentrated of 79 small hubs. The nearest comparison is SBA at 36%.

AirlineSharePassengersSeats YoY
DL
Delta85% fullDelta Connection · operated by SkyWest
35.8%379K+7.4%
AS
Alaska77% fullOperated by SkyWest, Horizon
28.2%298.7K-0.8%
UA
United84% fullUnited Express · operated by SkyWest
18.6%196.9K+1.6%
AA
American86% fullAmerican Eagle · operated by SkyWest
8.2%86.9K+1.6%
G4
Allegiant83% full
8.1%85.3K-0.8%
+Other airlines
1.1%11.6K—

Share, passengers and destinations count each airline’s own flights plus the regional flying sold under its brand. On-time covers the airline's own aircraft only — regional affiliates report to the government separately. Seats year on year compares the latest twelve months against the twelve before them.

Destinations

11 nonstop destinations from Pasco, all domestic.

100% domestic · 0% international · by departing passengers

Top domestic destinations

  • Seattle (SEA)

    178.1K departing · 78% full

    Alaska Airlines · Delta Air Lines

  • Salt Lake City (SLC)

    92.9K departing · 87% full

    Delta Air Lines

  • Denver (DEN)

    63.9K departing · 88% full

    United Airlines

  • Phoenix (PHX)

    45.6K departing · 87% full

    American Airlines

  • Minneapolis (MSP)

    34.9K departing · 86% full

    Delta Air Lines

  • San Francisco (SFO)

    34.6K departing · 78% full

    United Airlines

  • Los Angeles (LAX)

    24.6K departing · 85% full

    Alaska Airlines

  • Mesa (AZA)

    22.3K departing · 88% full

    Allegiant Air

  • Las Vegas (LAS)

    16.5K departing · 80% full

    Allegiant Air

  • Burbank (BUR)

    12.8K departing · 65% full

    Alaska Airlines · Avelo Airlines

All nonstop destinations

11 nonstop · 6 airlines · 11 domestic / 0 intl

MSPMinneapolisSLCSalt Lake City

Delta Connection · operated by SkyWest Airlines

SEASeattle

Delta Air Lines profile

Aircraft

By share of departures at Pasco.

Body class · share of departures

When Pasco is busiest

Departures by month over the trailing year. Bars scale to the busiest month.

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Departures a month · peak June 2025

Annual passengers since 1990

Total passengers, arriving and departing, in every year on record.

Passengers a year

Every year
1990
346,598
1991
395,457
1992
397,850
1993
399,887
1994
408,991
1995
367,065
1996
377,932
1997
431,406
1998
429,900
1999
417,846
2000
422,539
2001
351,092
2002
357,648
2003
433,027
2004
447,552
2005
495,259
2006
465,757
2007
500,858
2008
497,199
2009
538,514
2010
624,491
2011
653,173
2012
659,207
2013
654,168
2014
657,937
2015
694,772
2016
746,148
2017
749,213
2018
786,543
2019
873,352
2020
379,783
2021
692,986
2022
779,642
2023
874,077
2024
948,822
2025
1,049,752
2026
414,318 so far

Arriving on time

Of every 100 flights landing at Pasco, 83 touch down within 15 minutes of schedule, 16 arrive late, and 1 is cancelled.

See live FAA delays

Every 100 arrivals

On time 83Late 16Cancelled 1

13 min

average delay

29

flights cancelled

6.2K

arrivals measured

What holds flights up

Share of delay minutes

Most reliable here

SkyWest Airlines 84.6%

Least reliable here

United Airlines 71.3%

Among US airports

#141

On time, month by month

Darker is better · 78.4%–87.9%

The weak spot is July 2025, when 78.4% of arrivals landed on time — 4.5 points below the year. The strongest was September 2025 at 87.9%.

Frequently asked

How busy is Tri Cities Airport (PSC)?

Tri Cities Airport handled about 1.1M passengers over the trailing 12 months, ranking #141 among U.S. airports by passengers, with roughly 20 departures a day.

Which airline is the largest at Tri Cities Airport (PSC)?

Delta Air Lines is the largest carrier at Pasco (PSC), flying about 36% of its passengers. 10 airlines serve Pasco in total.

How many places can you fly nonstop from Tri Cities Airport (PSC)?

Pasco (PSC) has 11 nonstop destinations, all domestic.

How often do flights arrive on time at Tri Cities Airport (PSC)?

About 82.9% of flights arriving at Pasco (PSC) touch down within 15 minutes of schedule, per US DOT figures. About 0.5% are cancelled.

What aircraft flies most from Tri Cities Airport (PSC)?

The Embraer E175 flew the largest share of departures from Pasco (PSC), about 76% of the total.

Departing counts passengers leaving Pasco. Data: traffic June 2025 – May 2026, on-time July 2025 – June 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).