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Route Reliability

San Francisco → Indianapolis

SFO–IND · 1,943 miles · San Francisco International Airport to Indianapolis International Airport

86
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
2 min
Average arrival delay
0.2%
Cancelled
528
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 81% of the time across 528 flights. No comparison to make.

What the data says

The 3–6 PM departure wins.

SFO–IND flights departing between 3–6 PM arrived on time 88% of the time, versus 74% between 9 PM–12 AM.

Thursday is the weak spot.

SFO–IND flights arrived on time 88% of the time on Tuesdays. On Thursdays: 75%.

It basically never cancels.

Out of 528 scheduled flights, only 0.2% were cancelled.

Trending in the right direction.

SFO–IND flights arrived on time 85% of the time over the last three months in the data, compared with 78% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon78%(85 flights)
  • Tue88%(68 flights)
  • Wed81%(68 flights)
  • Thu75%(83 flights)
  • Fri81%(73 flights)
  • Sat83%(64 flights)
  • Sun81%(84 flights)
On-time by departure window
  • 9 AM–12 PM84%(235 flights)
  • 12–3 PM85%(27 flights)
  • 3–6 PM88%(58 flights)
  • 9 PM–12 AM74%(205 flights)
On-time trend by month
85%
May

Jun 81% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%52
July 202569%54
August 202574%42
September 202579%34
October 202598%48
November 202580%49
December 202574%42
January 202681%31
February 202679%28
March 202691%33
April 202679%53
May 202685%59

Keep nerding

Based on 528 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.