Route Reliability
IDA → Salt Lake City
IDA–SLC · 189 miles · IDA Airport to Salt Lake City International Airport
- 92%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 0.3%
- Cancelled
- 1,179
- Flights in the data
Data through May 2026.
Delta Air Lines is the only airline in this data on this route, arriving on time 92% of the time across 1,179 flights. No comparison to make.
What the data says
The 9 AM–12 PM departure wins.
IDA–SLC flights departing between 9 AM–12 PM arrived on time 98% of the time, versus 90% between 6–9 AM.
Friday has been the better bet.
A small edge: 95% on time on Fridays against 90% on Wednesdays.
It basically never cancels.
Out of 1,179 scheduled flights, only 0.3% were cancelled.
Ticking up lately.
IDA–SLC flights arrived on time 91% of the time over the last three months in the data, compared with 87% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon92%(169 flights)
- Tue94%(169 flights)
- Wed90%(167 flights)
- Thu92%(168 flights)
- Fri95%(171 flights)
- Sat93%(160 flights)
- Sun91%(171 flights)
- 3–6 AM93%(136 flights)
- 6–9 AM90%(226 flights)
- 9 AM–12 PM98%(109 flights)
- 12–3 PM93%(258 flights)
- 3–6 PM94%(107 flights)
- 6–9 PM90%(339 flights)
Jun 97% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 97% | 110 |
| July 2025 | 89% | 119 |
| August 2025 | 97% | 122 |
| September 2025 | 96% | 97 |
| October 2025 | 92% | 92 |
| November 2025 | 100% | 86 |
| December 2025 | 87% | 89 |
| January 2026 | 88% | 83 |
| February 2026 | 87% | 77 |
| March 2026 | 90% | 92 |
| April 2026 | 96% | 90 |
| May 2026 | 86% | 118 |
Keep nerding
Based on 1,179 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.