Best Time to Fly SFO to IND: On-Time Stats by Hour & Airline
San Francisco International → Indianapolis International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 80.8% of San Francisco (SFO) to Indianapolis (IND) flights arrived on time (524 scheduled flights). That is 3.2 points above the national average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (89% on time) and July the worst month (70%).
The cancellation rate was 0.2% (US average 1.8%).
SFO to IND on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 80.8% | 52 min | 0.2% | 524 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SFO to IND
On-time arrival % by scheduled departure hour (local time), 1,039 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 1 | |
| 9am–10am | 83.2% | 0.7% | 146 |
| 10am–11am | 85.4% | 0.0% | 89 |
| 11am–12pm | 85.6% | 0.5% | 224 |
| 1pm–2pm | Limited data | 27 | |
| 4pm–5pm | 87.9% | 0.0% | 58 |
| 9pm–10pm | 67.0% | 1.1% | 89 |
| 10pm–11pm | 82.1% | 0.5% | 192 |
| 11pm–12am | 82.5% | 0.0% | 213 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SFO to IND
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 27 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 73.3% | -11.7 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 75.9% | -9.2 pts | 0.0% | 200 |
| All other days | 85.0% | — | 0.4% | 782 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).