IDA to SLC flight delays & on-time performance
Nonstop flights from Idaho Falls Regional Airport to Salt Lake City International Airport · 189 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IDA or SLC right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Idaho Falls (IDA) to Salt Lake City (SLC) arrived on time 92% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.4% were cancelled, and 4% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (93% on time); Delta Air Lines was the least (89%).
- Departures scheduled around 11am did best (98% on time); around 6am did worst (90%).
- Friday was the most reliable day to fly (94% on time) and Wednesday the least (89%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (76%).
Which airline is most on time from IDA to SLC?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 93% | 0.1% | 6 min | 3.3% | 876 |
| Delta Air Lines | 89% | 1.3% | 19 min | 4.8% | 317 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am93%138 flights
- 6am90%227 flights
- 11am98%122 flights
- 1pm92%238 flights
- 3pm92%125 flights
- 6pm90%267 flights
- 7pm92%72 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday91%1.7% cancelled
- Tuesday94%0.0% cancelled
- Wednesday89%0.0% cancelled
- Thursday91%0.6% cancelled
- Friday94%0.0% cancelled
- Saturday93%0.0% cancelled
- Sunday91%0.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)76%
- Extreme weather17%
- Air traffic control & airport congestion7%
- Late-arriving aircraft1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)80%
- Air traffic control & airport congestion20%
- Extreme weather0%
- Security0%
IDA to SLC: common questions
- How often are IDA to SLC flights on time?
- 92% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Idaho Falls to Salt Lake City cancelled?
- 0.4% of scheduled flights were cancelled (5 of 1,193).
- How long are typical delays?
- Across all flights the average arrival delay was 9 min (early arrivals count as zero). Flights that were late arrived 107 min behind schedule on average, and 3.7% of flights were an hour or more late.
- How long is taxi time at IDA?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SLC to IDA — 89% on time
More flights from Idaho Falls
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IDA → SLC, nonstop flights by US airlines that report to the DOT. How we calculate this.