The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Pittsburgh International ⇄ Austin-Bergstrom International PIT–AUS

Airlines flew 647 flights between Pittsburgh International PIT in Pittsburgh, PA and Austin-Bergstrom International AUS in Austin, TX in the twelve months to July 2026, both directions together: 70,987 passengers in 105,182 seats, 67% of them filled, and 51,056 pounds of freight. 1,210 miles, about 170 minutes in the air, on 7 airlines: Southwest Airlines Co. (592), Allegiant Air (50), American Airlines Inc. (1), JetBlue Airways (1) and 3 more. Planning to fly it yourself? The weather and winds along this route right now.

647
flights, twelve months
PIT-AUS: 323 · AUS-PIT: 324
70,987
passengers
67% of seats filled
1,210
miles
about 170 minutes airborne
7
airlines
7 aircraft types

Flights by month both directions

0203958781/254/257/2510/251/264/26737/26
By month, as a table
flights
1/2522
2/2534
3/2549
4/2553
5/2556
6/2578
7/2578
8/2560
9/2552
10/2554
11/2556
12/2562
1/2619
2/2636
3/2653
4/2653
5/2658
6/2671
7/2673

Passengers by month

02,4444,8887,3339,7771/254/257/2510/251/264/269,7777/26
By month, as a table
passengers
1/252,641
2/253,813
3/255,667
4/256,476
5/257,346
6/259,503
7/258,679
8/256,569
9/255,320
10/256,617
11/255,796
12/256,507
1/262,081
2/262,954
3/264,425
4/265,210
5/266,137
6/269,594
7/269,777

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Southwest Airlines Co. WN59262,92466%scheduled passenger service
Allegiant Air G4507,69685%scheduled passenger service
American Airlines Inc. AA116395%scheduled passenger service
JetBlue Airways B6112086%scheduled passenger service
Sun Country Airlines d/b/a MN Airlines SY10charter cargo service
Eastern Air Express, LLC (EAX) 37Q100%charter passenger service
Delta Air Lines Inc. DL18447%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-700/700LR/Max 723414024,101
Boeing B737 Max 80021917524,233
Boeing 737-80014117414,753
Airbus Industrie A320-100/200501807,696
A220-300 BD-500-1A111140120
Boeing 737-40011600
Boeing 737-900ER118084

PIT → AUS this direction alone · flown January 2025 to July 2026

323 flights of 322 scheduled, 36,051 passengers in 51,613 seats, 34,546 pounds of freight. Southwest Airlines Co. 295; Allegiant Air 25; American Airlines Inc. 1; JetBlue Airways 1; Sun Country Airlines d/b/a MN Airlines 1.

AUS → PIT this direction alone · flown January 2025 to July 2026

324 flights of 321 scheduled, 34,936 passengers in 53,569 seats, 16,510 pounds of freight. Southwest Airlines Co. 297; Allegiant Air 25; Eastern Air Express, LLC (EAX) 1; Delta Air Lines Inc. 1.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Pittsburgh International PIT and Austin-Bergstrom International AUS; all routes.