Historical on-time performance
Indianapolis to Salt Lake City
1,355 miData through Dec 2025Source: US DOT · BTS
Flights on IND–SLC arrive on time 89% of the time over the last 12 months.
On-time rate89%arrived within 15 min
p90 delay10 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 336 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time89%Medianon timep9010 minCancel1.5%Flights336
Why flights run late
Delay causes
- Airline72%
- Weather4%
- Air traffic (NAS)24%
- Late aircraft0%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly IND → SLC
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best day of week
On-time rates are fairly even by day on this route — ranging from 82% to 95% on time.
- Wednesdays95% on time · p90 on time · 95 flights · limited
- Thursdays95% on time · p90 5 min · 93 flights · limited
- Tuesdays93% on time · p90 10 min · 95 flights · limited
- Saturdays93% on time · p90 5 min · 94 flights · limited
- Fridays93% on time · p90 10 min · 94 flights · limited
- Sundays89% on time · p90 10 min · 94 flights · limited
- Mondays82% on time · p90 30 min · 95 flights · limited
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