GEG to DEN flight delays & on-time performance
Nonstop flights from Spokane International Airport to Denver International Airport · 836 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at GEG or DEN 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 Denver (DEN) arrived on time 84% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.3% were cancelled, and 5% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (87% on time); Frontier Airlines was the least (80%).
- Departures scheduled around 5am did best (96% on time); around 2pm did worst (60%).
- Sunday was the most reliable day to fly (91% on time) and Thursday the least (80%).
- The largest source of delay minutes was late-arriving aircraft (36%).
Which airline is most on time from GEG to DEN?
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. | 87% | 0.8% | 15 min | 6.5% | 250 |
| United Airlines | 86% | 0.4% | 13 min | 5.9% | 834 |
| Southwest Airlines | 83% | 0.1% | 11 min | 4.6% | 858 |
| Frontier Airlines | 80% | 0.0% | 8 min | 2.8% | 110 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am96%510 flights
- 6am95%212 flights
- 9am85%33 flights
- 10am97%30 flights
- 11am84%105 flights
- 12pm81%162 flights
- 1pm78%414 flights
- 2pm60%139 flights
- 3pm60%43 flights
- 4pm81%366 flights
- 6pm76%34 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday81%0.7% cancelled
- Tuesday82%0.4% cancelled
- Wednesday83%1.1% cancelled
- Thursday80%0.0% cancelled
- Friday81%0.0% cancelled
- Saturday90%0.0% cancelled
- Sunday91%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft36%
- Air traffic control & airport congestion32%
- Airline (crew, maintenance, cleaning, fueling)26%
- Extreme weather6%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)67%
- Extreme weather17%
- Air traffic control & airport congestion17%
- Security0%
GEG to DEN: common questions
- How often are GEG to DEN flights on time?
- 84% 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 Denver cancelled?
- 0.3% of scheduled flights were cancelled (6 of 2,052).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 69 min behind schedule on average, and 5.3% of flights were an hour or more late.
- How long is taxi time at GEG?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DEN to GEG — 77% 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 → DEN, nonstop flights by US airlines that report to the DOT. How we calculate this.