Historical on-time performance
Indianapolis to San Francisco
1,943 miData through Dec 2025Source: US DOT · BTS
Flights on IND–SFO arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 491 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time82%Medianon timep9035 minCancel1.4%Flights491
Why flights run late
Delay causes
- Airline36%
- Weather2%
- Air traffic (NAS)20%
- 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 → SFO
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 — 83% on time.
- Mornings83% on time · p90 25 min · 1,059 flights
- Evenings69% on time · p90 50 min · 251 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 83% on time.
- Wednesdays83% on time · p90 20 min · 179 flights · limited
- Tuesdays82% on time · p90 25 min · 171 flights · limited
- Thursdays81% on time · p90 30 min · 202 flights
- Mondays80% on time · p90 35 min · 207 flights
- Saturdays80% on time · p90 35 min · 161 flights · limited
- Fridays79% on time · p90 35 min · 191 flights · limited
- Sundays76% on time · p90 40 min · 202 flights
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