Seattle (SEA) to Indianapolis (IND) flights
Alaska Airlines flies nonstop from Seattle-Tacoma International Airport to Indianapolis International Airport, with about 14 flights a week in July 2026. The 1,866-mile flight takes about 4h 2m gate to gate.
- Distance
- 1,866 mi · 3,003 km
- Flight time
- 4h 2m
- Airlines
- 1
- Seats filled
- 85%
Airlines flying SEA to IND
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Alaska Airlines | 14 | Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800 | 85,043 | 4h 2m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SEA to IND flight schedule
2 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 9:09am and the last at 10:39pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| AS 500Alaska Airlines | 9:09am | 4:16pm | 31 | 81% |
| AS 624Alaska Airlines | 10:39pm | 5:44am | 31 | 78% |
Is SEA to IND on time?
From September 2025 to August 2026, 80% of 568 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 9pm were the most punctual (89%), those around 10pm the least (74%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (55%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 568 | 80% | 10 min | 1.2% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 9am to 10am | 83 | 81% | |
| 10am to 11am | 150 | 83% | |
| 11am to 12pm | 120 | 80% | |
| 9pm to 10pm | 53 | 89% | |
| 10pm to 11pm | 162 | 74% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 59 | 9,573 | |
| September 2025 | 51 | 7,996 | |
| October 2025 | 45 | 6,998 | |
| November 2025 | 39 | 5,791 | |
| December 2025 | 42 | 6,284 | |
| January 2026 | 28 | 3,939 | |
| February 2026 | 25 | 3,810 | |
| March 2026 | 39 | 5,854 | |
| April 2026 | 51 | 7,068 | |
| May 2026 | 62 | 8,141 | |
| June 2026 | 61 | 9,640 | |
| July 2026 | 65 | 10,391 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.