Historical on-time performance
Indianapolis to Philadelphia
587 miData through May 2026Source: US DOT · BTS
Flights on IND–PHL arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled2.2%of scheduled flights
based on 1,446 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysbestOn-time88%Medianon timep9015 minCancel1.6%Flights633
- PSA AirlinesOn-time72%Medianon timep9050 minCancel4.7%Flights170
- American AirlinesOn-time68%Medianon timep9065 minCancel2.2%Flights643
Why flights run late
Delay causes
- Airline34%
- Weather2%
- Air traffic (NAS)18%
- Late aircraft46%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline22%
- Weather72%
- Air traffic (NAS)6%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 32 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 → PHL
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 — 91% on time.
- Mornings91% on time · p90 10 min · 1,856 flights
- Middays81% on time · p90 35 min · 1,279 flights
- Afternoons67% on time · p90 70 min · 1,049 flights
- Evenings60% on time · p90 85 min · 387 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 84% on time.
- Wednesdays84% on time · p90 25 min · 642 flights
- Saturdays83% on time · p90 30 min · 575 flights
- Tuesdays81% on time · p90 35 min · 655 flights
- Thursdays79% on time · p90 40 min · 682 flights
- Sundays79% on time · p90 40 min · 670 flights
- Mondays79% on time · p90 40 min · 674 flights
- Fridays78% on time · p90 45 min · 680 flights
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