Seattle-Tacoma International ⇄ Indianapolis International SEA–IND
Airlines flew 1,420 flights between Seattle-Tacoma International SEA in Seattle, WA and Indianapolis International IND in Indianapolis, IN in the twelve months to July 2026, both directions together: 169,602 passengers in 200,736 seats, 84% of them filled, and 18,873,024 pounds of freight. 1,866 miles, about 215 minutes in the air, on 5 airlines: Alaska Airlines Inc. (1,126), Federal Express Corporation (283), Delta Air Lines Inc. (7), Southwest Airlines Co. (2) and 1 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 72 |
| 2/25 | 64 |
| 3/25 | 78 |
| 4/25 | 95 |
| 5/25 | 141 |
| 6/25 | 138 |
| 7/25 | 142 |
| 8/25 | 137 |
| 9/25 | 138 |
| 10/25 | 132 |
| 11/25 | 106 |
| 12/25 | 127 |
| 1/26 | 71 |
| 2/26 | 68 |
| 3/26 | 94 |
| 4/26 | 119 |
| 5/26 | 142 |
| 6/26 | 138 |
| 7/26 | 148 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 7,708 |
| 2/25 | 6,813 |
| 3/25 | 9,762 |
| 4/25 | 10,913 |
| 5/25 | 18,366 |
| 6/25 | 19,276 |
| 7/25 | 19,891 |
| 8/25 | 18,905 |
| 9/25 | 15,348 |
| 10/25 | 13,843 |
| 11/25 | 11,278 |
| 12/25 | 12,981 |
| 1/26 | 7,336 |
| 2/26 | 7,238 |
| 3/26 | 11,430 |
| 4/26 | 13,601 |
| 5/26 | 17,785 |
| 6/26 | 19,206 |
| 7/26 | 20,651 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Alaska Airlines Inc. AS | 1,126 | 168,379 | 85% | scheduled passenger service |
| Federal Express Corporation FX | 283 | 0 | scheduled cargo service | |
| Delta Air Lines Inc. DL | 7 | 625 | 62% | charter passenger service |
| Southwest Airlines Co. WN | 2 | 315 | 90% | scheduled passenger service |
| United Air Lines Inc. UA | 2 | 283 | 77% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-900ER | 536 | 178 | 79,727 |
| Boeing B737 Max 900 | 511 | 178 | 77,512 |
| Boeing 767-300/300ER | 249 | 0 | 0 |
| Boeing 737-800 | 71 | 161 | 9,994 |
| Boeing 757-200 | 36 | 6 | 89 |
| Boeing B737 Max 800 | 12 | 163 | 1,752 |
| Boeing 767-400/ER | 2 | 236 | 319 |
| Boeing B777-F | 1 | 0 | 0 |
| Airbus Industrie A319 | 1 | 132 | 53 |
| Airbus Industrie A321-200n | 1 | 200 | 156 |
SEA → IND this direction alone · flown January 2025 to July 2026
604 flights of 607 scheduled, 85,647 passengers in 100,457 seats, 982,725 pounds of freight. Alaska Airlines Inc. 564; Federal Express Corporation 36; Southwest Airlines Co. 2; Delta Air Lines Inc. 1; United Air Lines Inc. 1.
IND → SEA this direction alone · flown January 2025 to July 2026
816 flights of 814 scheduled, 83,955 passengers in 100,279 seats, 17,890,299 pounds of freight. Alaska Airlines Inc. 562; Federal Express Corporation 247; Delta Air Lines Inc. 6; United 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: Seattle-Tacoma International SEA and Indianapolis International IND; all routes.