Route
IDA → SLC
Idaho Falls Regional Airport Salt Lake City International Airport
189 miles
Return route SLC → IDA →
How punctual is this route?
- On-time arrivals
- 91.8%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 119 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,195
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 75%
- Extreme weather 19%
- Air traffic control & airport 7%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 95.9% | 97 |
| October 2025 | 89.1% | 92 |
| November 2025 | 100.0% | 88 |
| December 2025 | 86.5% | 90 |
| January 2026 | 88.0% | 83 |
| February 2026 | 87.0% | 78 |
| March 2026 | 90.2% | 92 |
| April 2026 | 95.6% | 90 |
| May 2026 | 86.4% | 118 |
| June 2026 | 95.8% | 120 |
| July 2026 | 90.2% | 123 |
| August 2026 | 96.0% | 124 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 878 | 92.6% | 0.1% | 85 min |
| Delta Air Lines | 317 | 89.8% | 1.3% | 187 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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