Historical on-time performance
Salt Lake City to Indianapolis
1,355 miData through Dec 2025Source: US DOT · BTS
Flights on SLC–IND arrive on time 85% of the time over the last 12 months.
On-time rate85%arrived within 15 min
p90 delay20 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-time85%Medianon timep9020 minCancel1.5%Flights336
Why flights run late
Delay causes
- Airline62%
- Weather0%
- Air traffic (NAS)10%
- Late aircraft28%
- 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 SLC → IND
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 73% to 93% on time.
- Wednesdays93% on time · p90 5 min · 94 flights · limited
- Thursdays89% on time · p90 20 min · 94 flights · limited
- Tuesdays87% on time · p90 20 min · 95 flights · limited
- Fridays82% on time · p90 35 min · 94 flights · limited
- Mondays80% on time · p90 35 min · 95 flights · limited
- Sundays77% on time · p90 35 min · 95 flights · limited
- Saturdays73% on time · p90 30 min · 94 flights · limited
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