Pittsburgh

PIT · KPIT

Pittsburgh International Airport

40.49°, -80.23°PA, United States

Passengers a year

9.6M

#46 busiest in the U.S.

65

nonstop destinations

45

airlines

139

departures a day

77.2%

arrivals on time

2.0%

flights cancelled

77.6%

load factor

The ten busiest routes from PIT, by passengers: ATL, ORD, MCO, CLT, DEN, DFW, LGA, BOS, FLL, EWRPITORDBOSLGAEWRFLLMCOCLTATLDFWDEN
Nonstop routes — the ten busiest. Filed traffic, June 2025 – May 2026.

Airlines

Southwest Airlines is the largest carrier at Pittsburgh, with 26% of all passengers. 45 airlines fly from here.

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

Southwest Airlines holds 26% of the airport — the 32nd most concentrated of 35 medium hubs. The nearest comparison is CLE at 26%.

AirlineSharePassengersSeats YoY
WN
Southwest75% full
25.5%2.5M+2.4%
AA
American78% fullAmerican Eagle · operated by Republic, PSA, Piedmont, Envoy, SkyWest
23.1%2.2M+2.7%
DL
Delta78% fullDelta Connection · operated by Republic, Endeavor, SkyWest
16.5%1.6M+3.4%
UA
United79% fullUnited Express · operated by Republic, Mesa, GoJet, SkyWest, CommuteAir
15.1%1.5M+15.3%
G4
Allegiant85% full
5.4%519.4K+5.5%
+Other airlines
14.4%1.4M—

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

58 domestic and 7 international nonstop destinations from Pittsburgh, across 7 countries.

98% domestic · 2% international · by departing passengers

Top domestic destinations

  • Atlanta (ATL)

    368.4K departing · 80% full

    Delta Air Lines · Southwest Airlines

  • Chicago (ORD)

    319.1K departing · 75% full

    United Airlines · American Airlines

  • Orlando (MCO)

    288.7K departing · 80% full

    Southwest Airlines · Spirit Airlines · Frontier Airlines

  • Charlotte (CLT)

    248.8K departing · 79% full

    American Airlines

  • Denver (DEN)

    233.2K departing · 80% full

    United Airlines · Southwest Airlines · Frontier Airlines

  • Dallas-Fort Worth (DFW)

    198.8K departing · 78% full

    American Airlines

  • New York (LGA)

    185.7K departing · 77% full

    Delta Air Lines · American Airlines

  • Boston (BOS)

    167.5K departing · 77% full

    JetBlue Airways · Delta Air Lines

  • Fort Lauderdale (FLL)

    152.5K departing · 82% full

    Spirit Airlines · Southwest Airlines · JetBlue Airways

  • Newark (EWR)

    135.8K departing · 78% full

    United Airlines · Spirit Airlines

Top international destinations

  • London, United Kingdom (LHR)

    53.1K departing · 108.8K both ways

    British Airways

  • Toronto, Canada (YYZ)

    17.5K departing · 36K both ways

    Air Canada

  • Reykjavík, Iceland (KEF)

    10.1K departing · 20.5K both ways

    Icelandair

  • Montréal, Canada (YUL)

    7.7K departing · 13K both ways

    Air Canada

  • Cancún, Mexico (CUN)

    5.7K departing · 12K both ways

    American Airlines · Southwest Airlines

  • Punta Cana, Dominican Republic (PUJ)

    2.7K departing · 5.3K both ways

    American Airlines

  • Dublin, Ireland (DUB)

    495 departing · 891 both ways

    Aer Lingus

All nonstop destinations

65 nonstop · 17 airlines · 58 domestic / 7 intl

Aircraft

By share of departures at Pittsburgh.

Body class · share of departures

When Pittsburgh 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 July 2025

Annual passengers since 1990

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

Passengers a year

Every year
1990
17,036,094
1991
16,441,670
1992
18,241,200
1993
17,687,903
1994
18,914,072
1995
19,089,034
1996
19,376,101
1997
19,087,490
1998
18,552,461
1999
16,528,571
2000
17,887,160
2001
17,915,300
2002
16,223,893
2003
14,479,548
2004
13,451,204
2005
10,573,021
2006
10,118,481
2007
9,950,413
2008
8,718,043
2009
8,018,998
2010
8,124,382
2011
8,286,731
2012
7,872,816
2013
7,727,252
2014
7,774,079
2015
7,914,979
2016
8,090,689
2017
8,748,753
2018
9,445,684
2019
9,536,434
2020
3,571,096
2021
6,207,747
2022
7,963,500
2023
9,083,425
2024
9,805,955
2025
9,666,855
2026
3,674,208 so far

Arriving on time

Of every 100 flights landing at Pittsburgh, 77 touch down within 15 minutes of schedule, 21 arrive late, and 2 are cancelled.

See live FAA delays

Every 100 arrivals

On time 77Late 21Cancelled 2

17 min

average delay

852

flights cancelled

42K

arrivals measured

What holds flights up

Share of delay minutes

Most reliable here

Delta Air Lines 84%

Least reliable here

JetBlue Airways 71.6%

Among US airports

#46

On time, month by month

Darker is better · 68.8%–84.5%

The weak spot is July 2025, when 68.8% of arrivals landed on time — 8.4 points below the year. The strongest was September 2025 at 84.5%.

Frequently asked

How busy is Pittsburgh International Airport (PIT)?

Pittsburgh International Airport handled about 9.6M passengers over the trailing 12 months, ranking #46 among U.S. airports by passengers, with roughly 139 departures a day.

Which airline is the largest at Pittsburgh International Airport (PIT)?

Southwest Airlines is the largest carrier at Pittsburgh (PIT), flying about 26% of its passengers. 45 airlines serve Pittsburgh in total.

How many places can you fly nonstop from Pittsburgh International Airport (PIT)?

Pittsburgh (PIT) has 65 nonstop destinations — 58 domestic and 7 international across 7 countries.

How often do flights arrive on time at Pittsburgh International Airport (PIT)?

About 77.2% of flights arriving at Pittsburgh (PIT) touch down within 15 minutes of schedule, per US DOT figures. About 2.0% are cancelled.

What aircraft flies most from Pittsburgh International Airport (PIT)?

The Embraer E175 flew the largest share of departures from Pittsburgh (PIT), about 26% of the total.

Departing counts passengers leaving Pittsburgh; international destinations also show both directions. 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).