Alaska AirlinesAS88% on time
live
Direct flights from Indianapolis (IND) to Seattle (SEA): 7 nonstop departures observed each week across 1 airline. 88% of the last 8 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 8 tracked flights. The nonstop covers 2,996 km, an estimated 4 hours 20 minutes in the air. Measured by Pro Flight Search from live flight boards at Indianapolis and Seattle. Updated 20 September 2026 at 21:55 UTC.
IND
Indianapolis
smooth · +0
SEA
Seattle
smooth · +0
2,996 km · ~4h 20m est.
Runs reliable · 1 airline · 7x weekly · nonstop
88% on time
of the last 8 operated IND → SEA flights arrived within 15 minutes
Median arrival delay is +0 min. 0 of 8 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+0 minacross the last 8 operated legs
Flight time~4h 20mestimated from route distance
Weekly departures7x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at IND: 39% odds of a 15+ minute delay, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Indianapolis to Seattle route actually runs
Pro Flight Search records official board updates for nonstop IND to SEA flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Indianapolis (IND) to Seattle (SEA) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/IND-SEA
IND to SEA questions
Is IND–SEA running on time right now?
Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on IND–SEA?
Operators schedule morning departures around 07:02 and evening departures around 17:28 from IND. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SEA delay card to confirm conditions when you'd arrive.
How long is the flight from IND to SEA?
Great-circle distance is 2,996 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 241–287 min gate-to-gate on this route.
How often does IND–SEA fly?
Alaska Airlines runs the route with about 14 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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