Historical on-time performance
Denver to Indianapolis
977 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–IND arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 2,379 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Frontier AirlinesOn-time78%Medianon timep9070 minCancel0.0%Flights85
- United AirlinesOn-time79%Medianon timep9035 minCancel0.5%Flights863
- Southwest AirlinesOn-time69%Medianon timep9065 minCancel0.4%Flights1,431
Why flights run late
Delay causes
- Airline31%
- Weather2%
- Air traffic (NAS)14%
- Late aircraft53%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DEN → IND
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 88% on time.
- Mornings88% on time · p90 15 min · 1,857 flights
- Middays80% on time · p90 30 min · 2,428 flights
- Afternoons67% on time · p90 55 min · 881 flights
- Evenings62% on time · p90 85 min · 2,051 flights
- Overnights56% on time · p90 80 min · 531 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 77% on time.
- Wednesdays77% on time · p90 45 min · 1,073 flights
- Tuesdays76% on time · p90 40 min · 1,018 flights
- Mondays74% on time · p90 45 min · 1,159 flights
- Saturdays73% on time · p90 50 min · 1,011 flights
- Sundays73% on time · p90 50 min · 1,168 flights
- Thursdays73% on time · p90 55 min · 1,143 flights
- Fridays72% on time · p90 50 min · 1,176 flights
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