Routes and flights · the DOT's airline reports, August 2025 to July 2026

Seattle-Tacoma International ⇄ Harrisburg International SEA–MDT

Airlines flew 1 flights between Seattle-Tacoma International SEA in Seattle, WA and Harrisburg International MDT in Harrisburg, PA in the twelve months to July 2026, both directions together: 179 passengers in 194 seats, 92% of them filled, and 227 pounds of freight. 2,297 miles, about 327 minutes in the air, on 1 airline: Delta Air Lines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.

flights, twelve months

SEA-MDT: 1

179

passengers

92% of seats filled

2,297

miles

about 327 minutes airborne

airline

1 aircraft type

Flights by month both directions

By month, as a table

	flights
10/25	1

Passengers by month

By month, as a table

	passengers
10/25	179

The airlines twelve months, both directions

Airline	Flights	Passengers	Seats filled	Service
Delta Air Lines Inc. DL	1	179	92%	scheduled passenger service

The aircraft as the airlines report their types

Aircraft	Flights	Seats a flight	Passengers
Airbus Industrie A321-200n	1	194	179

SEA → MDT this direction alone · flown October 2025 to October 2025

1 flights, 179 passengers in 194 seats, 227 pounds of freight. 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: Seattle-Tacoma International SEA and Harrisburg International MDT; all routes.