Historical on-time performance
Indianapolis to Denver
977 miData through May 2026Source: US DOT · BTS
Flights on IND–DEN arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 2,356 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Frontier AirlinesOn-time81%Medianon timep9040 minCancel1.2%Flights85
- United AirlinesbestOn-time80%Medianon timep9040 minCancel0.8%Flights861
- Southwest AirlinesOn-time75%Medianon timep9045 minCancel0.5%Flights1,410
Why flights run late
Delay causes
- Airline22%
- Weather3%
- Air traffic (NAS)36%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline33%
- Weather40%
- Air traffic (NAS)27%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 15 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly IND → DEN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 10 min · 2,455 flights
- Middays85% on time · p90 20 min · 1,290 flights
- Afternoons79% on time · p90 40 min · 1,857 flights
- Evenings66% on time · p90 70 min · 1,237 flights
- Overnights65% on time · p90 70 min · 940 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 81% on time.
- Tuesdays81% on time · p90 30 min · 1,012 flights
- Wednesdays81% on time · p90 35 min · 1,048 flights
- Saturdays80% on time · p90 30 min · 1,027 flights
- Mondays79% on time · p90 40 min · 1,141 flights
- Thursdays79% on time · p90 40 min · 1,168 flights
- Fridays79% on time · p90 35 min · 1,183 flights
- Sundays77% on time · p90 45 min · 1,200 flights
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