GEG to SLC flight delays & on-time performance
Nonstop flights from Spokane International Airport to Salt Lake City International Airport · 546 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at GEG or SLC right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Spokane (GEG) to Salt Lake City (SLC) arrived on time 91% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.7% were cancelled, and 4% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (94% on time); Delta Air Lines was the least (88%).
- Departures scheduled around 9am did best (96% on time); around 1pm did worst (85%).
- Thursday was the most reliable day to fly (93% on time) and Friday the least (88%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (47%).
Which airline is most on time from GEG 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. | 94% | 0.4% | 5 min | 2.5% | 719 |
| Delta Air Lines | 88% | 0.8% | 12 min | 4.6% | 952 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am91%287 flights
- 6am95%78 flights
- 9am96%336 flights
- 12pm100%24 flights
- 1pm85%340 flights
- 4pm91%181 flights
- 5pm85%166 flights
- 6pm92%48 flights
- 7pm90%199 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday91%1.2% cancelled
- Tuesday92%0.4% cancelled
- Wednesday92%1.2% cancelled
- Thursday93%0.4% cancelled
- Friday88%0.4% cancelled
- Saturday89%0.5% cancelled
- Sunday89%0.4% 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)47%
- Late-arriving aircraft39%
- Extreme weather10%
- Air traffic control & airport congestion4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)73%
- Extreme weather27%
- Air traffic control & airport congestion0%
- Security0%
GEG to SLC: common questions
- How often are GEG to SLC flights on time?
- 91% 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 Spokane to Salt Lake City cancelled?
- 0.7% of scheduled flights were cancelled (11 of 1,671).
- 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 87 min behind schedule on average, and 3.7% of flights were an hour or more late.
- How long is taxi time at GEG?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SLC to GEG — 86% on time
More flights from Spokane
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: GEG → SLC, nonstop flights by US airlines that report to the DOT. How we calculate this.