SLC to IDA flight delays & on-time performance
Nonstop flights from Salt Lake City International Airport to Idaho Falls Regional Airport · 189 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SLC or IDA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Salt Lake City (SLC) to Idaho Falls (IDA) arrived on time 89% 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 (79%).
- Departures scheduled around 1pm did best (96% on time); around 4pm did worst (76%).
- Saturday was the most reliable day to fly (93% on time) and Sunday the least (85%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (55%).
Which airline is most on time from SLC to IDA?
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% | 5 min | 2.9% | 876 |
| Delta Air Lines | 79% | 1.3% | 16 min | 9.0% | 317 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 9am96%122 flights
- 11am93%238 flights
- 1pm96%127 flights
- 4pm76%46 flights
- 5pm91%293 flights
- 9pm82%364 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday89%0.6% cancelled
- Tuesday91%0.0% cancelled
- Wednesday90%0.6% cancelled
- Thursday88%0.0% cancelled
- Friday88%0.0% cancelled
- Saturday93%0.6% cancelled
- Sunday85%1.2% 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)55%
- Extreme weather24%
- Late-arriving aircraft12%
- Air traffic control & airport congestion9%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)80%
- Air traffic control & airport congestion20%
- Extreme weather0%
- Security0%
SLC to IDA: common questions
- How often are SLC to IDA flights on time?
- 89% 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 Salt Lake City to Idaho Falls 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 8 min (early arrivals count as zero). Flights that were late arrived 68 min behind schedule on average, and 4.5% of flights were an hour or more late.
- How long is taxi time at SLC?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: IDA to SLC — 92% on time
More flights from Salt Lake City
More flights to Idaho Falls
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SLC → IDA, nonstop flights by US airlines that report to the DOT. How we calculate this.