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

James M Cox Dayton International ⇄ Seattle-Tacoma International DAY–SEA

Airlines flew 2 flights between James M Cox Dayton International DAY in Dayton, OH and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 353 passengers in 358 seats, 99% of them filled, and 46 pounds of freight. 1,957 miles, about 258 minutes in the air, on 2 airlines: Alaska Airlines Inc. (1), Delta Air Lines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.

flights, twelve months

SEA-DAY: 2

353

passengers

99% of seats filled

1,957

miles

about 258 minutes airborne

airlines

1 aircraft type

Flights by month both directions

By month, as a table

	flights
8/25	2

Passengers by month

By month, as a table

	passengers
8/25	353

The airlines twelve months, both directions

Airline	Flights	Passengers	Seats filled	Service
Alaska Airlines Inc. AS	1	178	100%	scheduled passenger service
Delta Air Lines Inc. DL	1	175	97%	scheduled passenger service

The aircraft as the airlines report their types

Aircraft	Flights	Seats a flight	Passengers
Boeing 737-900ER	2	179	353

SEA → DAY this direction alone · flown August 2025 to August 2025

2 flights, 353 passengers in 358 seats, 46 pounds of freight. Alaska Airlines Inc. 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: James M Cox Dayton International DAY and Seattle-Tacoma International SEA; all routes.