Indianapolis (IND) to Seattle (SEA) flights
Alaska Airlines flies nonstop from Indianapolis International Airport to Seattle-Tacoma International Airport, with about 14 flights a week in July 2026. The 1,866-mile flight takes about 4h 45m gate to gate.
- Distance
- 1,866 mi · 3,003 km
- Flight time
- 4h 45m
- Airlines
- 1
- Seats filled
- 84%
Airlines flying IND to SEA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Alaska Airlines | 14 | Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800 | 83,336 | 4h 45m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IND to SEA flight schedule
2 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 7:04am and the last at 5:19pm. 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 625Alaska Airlines | 7:04am | 8:52am | 31 | 79% |
| AS 500Alaska Airlines | 5:19pm | 7:09pm | 31 | 71% |
Is IND to SEA on time?
From September 2025 to August 2026, 76% of 567 flights arrived within 15 minutes of schedule and 1.4% were cancelled. Flights leaving around 6am were the most punctual (85%), those around 7pm the least (66%). Most delay time was caused by late-arriving aircraft (51%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 567 | 76% | 13 min | 1.4% |
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 |
|---|---|---|---|
| 6am to 7am | 33 | 85% | |
| 7am to 8am | 237 | 81% | |
| 5pm to 6pm | 82 | 72% | |
| 6pm to 7pm | 79 | 80% | |
| 7pm to 8pm | 135 | 66% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 59 | 9,332 | |
| September 2025 | 51 | 7,352 | |
| October 2025 | 47 | 6,845 | |
| November 2025 | 38 | 5,331 | |
| December 2025 | 42 | 6,378 | |
| January 2026 | 27 | 3,397 | |
| February 2026 | 26 | 3,428 | |
| March 2026 | 38 | 5,576 | |
| April 2026 | 50 | 6,533 | |
| May 2026 | 63 | 9,601 | |
| June 2026 | 60 | 9,566 | |
| July 2026 | 62 | 10,161 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.