Historical on-time performance
Indianapolis to Philadelphia
587 miData through Dec 2025Source: US DOT · BTS
Flights on IND–PHL arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 1,424 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysbestOn-time84%Medianon timep9025 minCancel0.7%Flights720
- American AirlinesOn-time66%Medianon timep9070 minCancel2.4%Flights585
- PSA AirlinesOn-time64%Medianon timep90110 minCancel1.7%Flights119
Why flights run late
Delay causes
- Airline34%
- Weather2%
- Air traffic (NAS)22%
- Late aircraft42%
- 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 IND → PHL
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 — 91% on time.
- Mornings91% on time · p90 10 min · 1,846 flights
- Middays83% on time · p90 30 min · 1,248 flights
- Afternoons66% on time · p90 75 min · 881 flights
- Evenings62% on time · p90 80 min · 400 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 85% on time.
- Wednesdays85% on time · p90 25 min · 618 flights
- Saturdays82% on time · p90 30 min · 538 flights
- Sundays80% on time · p90 35 min · 648 flights
- Mondays80% on time · p90 35 min · 646 flights
- Tuesdays80% on time · p90 40 min · 628 flights
- Thursdays80% on time · p90 40 min · 656 flights
- Fridays79% on time · p90 40 min · 648 flights
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