Alaska Airlines is the most reliable airline on the SEA to IND route with a 77% on-time rate. Based on 1,956 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SEA to IND
Seattle to Indianapolis — airline reliability comparison
On-Time Rate by Airline
Alaska Airlines77%
SEA to IND Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Alaska AirlinesASBest | 77% | 1.4% | 44m | 1,956 |
Route Overview
76%
Overall On-Time
44m
Avg Delay
1%
Cancel Rate
1,956
Total Flights
Flying out of SEA? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.