--- title: "Seattle to Indianapolis flights: who flies SEA-IND" description: "Alaska Airlines and American Airlines fly nonstop from SEA to IND, about 9 flights a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/sea-ind" url: "https://2lnr.com/routes/sea-ind.md" date_modified: "2026-10-18T05:10:47Z" --- # Seattle to Indianapolis (SEA-IND): nonstop upgrade & award space Alaska Airlines and American Airlines fly the SEA to IND nonstop about 9 times a week. The timetable below shows the nonstop scheduled at 4h 12m to 4h 20m for the 1,861 miles. 2LNR checks confirmed upgrade and award space on Alaska Airlines and American Airlines flights on this route, so you can see which departures have space before you book. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See SEA to IND on the interactive map [Get started free](https://2lnr.com/login) 9 Flights a week, 4-week average 4h 12m to 4h 20m Scheduled flight time 1,861 mi Nonstop distance Free To get started ## Seattle to Indianapolis flight schedule Scheduled nonstop departures for SEA to IND starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Seattle (SEA) to Indianapolis (IND) | Date | Flight | Airline | Departs SEA | Arrives IND | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | AS 500 | Alaska Airlines, Inc. | 09:49 | 17:09 | 4h 20m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/as/737-max-9.md) | | Fri, Oct 23 | AS 624 | Alaska Airlines, Inc. | 22:19 | 05:31 | 4h 12m | Boeing 737 MAX 9 | | Sat, Oct 24 | AS 500 | Alaska Airlines, Inc. | 09:49 | 17:09 | 4h 20m | Boeing 737 MAX 9 | | Sat, Oct 24 | AS 624 | Alaska Airlines, Inc. | 22:19 | 05:31 | 4h 12m | Boeing 737 MAX 9 | | Sun, Oct 25 | AS 500 | Alaska Airlines, Inc. | 09:49 | 17:09 | 4h 20m | [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md) | | Sun, Oct 25 | AS 624 | Alaska Airlines, Inc. | 22:19 | 05:31 | 4h 12m | Boeing 737-900 | | Mon, Oct 26 | AS 500 | Alaska Airlines, Inc. | 09:49 | 17:09 | 4h 20m | Boeing 737 MAX 9 | | Mon, Oct 26 | AS 624 | Alaska Airlines, Inc. | 22:19 | 05:31 | 4h 12m | Boeing 737-900 | | Tue, Oct 27 | AS 500 | Alaska Airlines, Inc. | 10:45 | 18:02 | 4h 17m | Boeing 737-900 | | Wed, Oct 28 | AS 500 | Alaska Airlines, Inc. | 10:45 | 18:02 | 4h 17m | Boeing 737-900 | | Thu, Oct 29 | AS 500 | Alaska Airlines, Inc. | 09:49 | 17:09 | 4h 20m | Boeing 737 MAX 9 | | Thu, Oct 29 | AS 624 | Alaska Airlines, Inc. | 22:19 | 05:31 | 4h 12m | Boeing 737 MAX 9 | Showing all 12 scheduled SEA to IND departures across 7 days with service, starting October 23, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every SEA to IND date on the interactive map ## Aircraft on the Seattle to Indianapolis nonstop Alaska Airlines flies the departures in the schedule table on this page with the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/as/737-max-9.md) and the [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on SEA to IND departures 2LNR tracks confirmed upgrade and award space on Alaska Airlines and American Airlines, segment by segment and date by date. Open the calendar for Seattle to Indianapolis to see which departures have space, the next 14 days free on every product and the full horizon on Pro. Alaska Airlines award space was open on 6 of the 14 Seattle to Indianapolis departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Confirmed upgrade or award seats by date on the SEA to IND departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See SEA to IND on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Seattle to Indianapolis nonstop Carriers operating SEA to IND nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [Alaska Airlines (AS) route map](https://2lnr.com/routes/airlines/as.md)\ [The aircraft AS flies](https://2lnr.com/seatmaps/as.md) - [American Airlines (AA) route map](https://2lnr.com/routes/airlines/aa.md)\ [The aircraft AA flies](https://2lnr.com/seatmaps/aa.md) See SEA to IND on the interactive map → ## Frequently asked questions about SEA to IND **How long is the flight from Seattle (SEA) to Indianapolis (IND)?** Scheduled flight times from Seattle (SEA) to Indianapolis (IND) run from 4h 12m to 4h 20m across the departures in the schedule table on this page. The nonstop covers about 1,861 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from SEA to IND?** Alaska Airlines and American Airlines fly SEA to IND nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines and American Airlines. **How many flights a week are there from SEA to IND?** About 9 nonstop flights a week run between Seattle (SEA) and Indianapolis (IND) in the current schedule, operated by Alaska Airlines and American Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from SEA to IND depart?** Scheduled SEA to IND nonstops in the next 7 days with service leave between 09:49 and 22:19, local time at Seattle. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate SEA to IND nonstop?** In the schedule table on this page, SEA to IND nonstops fly as AS 500 and AS 624 on Alaska Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on SEA to IND?** Open the SEA to IND route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines and American Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [IND to SEA upgrade and award space](https://2lnr.com/routes/ind-sea.md). Award seats rather than schedules? See [Alaska Airlines award availability](https://2lnr.com/awards/as.md) or [American Airlines award availability](https://2lnr.com/awards/aa.md). Looking beyond this route? See [every route from Seattle (SEA)](https://2lnr.com/routes/sea.md), or [every route from Indianapolis (IND)](https://2lnr.com/routes/ind.md). Nonstops from Seattle (SEA) to other airports within 150 miles of Indianapolis (IND): - [Seattle (SEA) to Cincinnati (CVG)](https://2lnr.com/routes/sea-cvg.md), 98 miles from IND Distances are great-circle between the airports, not driving distance. - [How Alaska upgrades clear](https://2lnr.com/about/as/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss SEA to IND upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)