Delta Air Lines is the most reliable airline on the IND to SLC route with a 92% on-time rate. Based on 872 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IND to SLC
Indianapolis to Salt Lake City — airline reliability comparison
On-Time Rate by Airline
Delta Air Lines92%
IND to SLC Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Delta Air LinesDLBest | 92% | 1.0% | 53m | 872 |
Route Overview
92%
Overall On-Time
53m
Avg Delay
1%
Cancel Rate
872
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.