Best Time to Fly IND to SLC: On-Time Stats by Hour & Airline
Indianapolis International → Salt Lake City International
Data through July 2026 · Last updated October 18, 2026
364 flights were scheduled from Indianapolis (IND) to Salt Lake City (SLC) in the last 12 months, and 88.9% of those that flew arrived on time, 11.2 points above the US average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
October has been the best month (98% on time) and Monday the weakest day of the week (82%).
1.4% of flights were cancelled, versus 1.8% nationally.
IND to SLC 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 |
|---|---|---|---|---|
| Delta Air Lines | 88.9% | 37 min | 1.4% | 364 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly IND to SLC
On-time arrival % by scheduled departure hour (local time), 729 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 79.7% | 4.8% | 62 |
| 7am–8am | 90.6% | 0.7% | 299 |
| 8am–9am | 92.9% | 0.8% | 368 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on IND to SLC
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 | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 29 | ||
| Summer peak (Jun 15 - Aug 15) | 92.7% | +1.6 pts | 0.0% | 124 |
| All other days | 91.2% | — | 1.2% | 562 |
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).