A

IND to SLC flight delays

Indianapolis, IN (IND) Salt Lake City, UT (SLC) · 1,355 miles

364 flights · January 2025 – August 2026 · US Bureau of Transportation Statistics

88.3%

Arrived on time

Within 15 minutes of schedule

1.37%

Cancelled

Share of scheduled flights

39 min

When late, late by

Average across delayed arrivals

5 min

Delay per flight

Averaged over every flight flown

What the record says about this route

The season swings this route hard. In May it ran 23.3 points more punctual than in January — a difference bigger than the one between the best and worst airlines on most routes. If the date is flexible, it is worth more than the carrier.

Flights from Indianapolis to Salt Lake City are among the most dependable in the record. A route this punctual is usually a short hop between airports with slots to spare.

This route does better than its own airport. Departures from IND overall run 7.3 points less punctual than this particular one — so whatever congestion IND has, this route is largely escaping it.

Only Delta Air Lines flies this route in the published record, so there is no choice to weigh — the route's figures and the airline's are the same figures.

Which airline should you fly on this route?

Over January 2025 – August 2026, Delta Air Lines arrived on time most often on IND to SLC. Flights ran closest to schedule in May and worst in March.

Every airline on IND to SLC

Ranked by how many flights each one operated. A carrier with fewer than 100 flights in the period is listed but not graded.

Airline Flights On time Cancelled Avg delay Grade
Delta Air Lines 364 88.3% 1.37% 39 min A

Month by month

Share of flights that arrived within 15 minutes of schedule, by month flown.

Jul 2025 peak 100 Jun 2026
On-time arrival rate, %

Common questions

Are flights from Indianapolis to Salt Lake City usually delayed?

88.3% of flights on the IND to SLC route arrived within 15 minutes of schedule, so roughly 1 in every ten arrived late. That is better than the average route in this record.

Which airlines fly from Indianapolis to Salt Lake City?

Only Delta Air Lines appears in the published record on this route, with 364 flights and 88.3% arriving on time.

How often are IND to SLC flights cancelled?

1.37% of scheduled flights did not operate — about 14 in every thousand. That is in the normal range.

What is the best month to fly Indianapolis to Salt Lake City?

May, when 100% of flights arrived on time. The worst was January at 76.7%.

When IND to SLC flights are late, how late are they?

About 39 minutes on average across the flights that arrived more than 15 minutes behind schedule.

What these figures do and do not tell you

Everything on this page is counted from the flights that actually operated on IND to SLC during January 2025 – August 2026, as reported by the airlines to the US Bureau of Transportation Statistics. "On time" is the federal definition: arriving at the gate within 15 minutes of the scheduled time.

A route's record is a description of the past, not a forecast. Weather, air traffic control and the aircraft's earlier flights that day drive most delays, and none of them are predictable from a historical rate. What the record does tell you is whether this route runs late more often than others, and which carrier on it has the better history — which is the part you can actually act on when you book.

Cancellations are counted separately from delays because they are a different problem for a traveller: a late flight still gets you there. How the grade is calculated →