BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
SFO→GEG

San Francisco, CA (SFO) to Spokane, WA (GEG) flight delay odds

75.5% of 867 official scheduled SFO-to-GEG flights arrived on time; 15.6% arrived at least 30 minutes late and 0.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
75.5%arrived on time
15.6%30+ min late
0.3%cancelled
867scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.4%all scheduled flights
120+ minutes late3.0%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+9.2 mincompleted flights

Which departure time was most reliable for SFO to GEG?

Among qualifying SFO-to-GEG departure window results, Early morning had the highest on-time rate: 90.3% of 195 flights. Afternoon was lowest at 69.1% across 194 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning19590.3%4.1%0.0%
Late morning20270.8%21.3%0.0%
Afternoon19469.1%22.2%0.5%
Evening20172.1%14.4%1.0%
Night7576.0%16.0%0.0%

Which weekday was most reliable for SFO to GEG?

Among qualifying SFO-to-GEG weekday results, Saturday had the highest on-time rate: 83.8% of 99 flights. Friday was lowest at 67.2% across 125 flights.

DayFlightsOn time30+ minCancelled
Monday13077.7%16.2%0.8%
Tuesday12976.0%15.5%0.0%
Wednesday11976.5%10.9%0.0%
Thursday13475.4%14.2%0.7%
Friday12567.2%23.2%0.0%
Saturday9983.8%11.1%1.0%
Sunday13174.0%16.8%0.0%

Which airline was most reliable for SFO to GEG?

Among qualifying SFO-to-GEG airline results, United Airlines had the highest on-time rate: 80.8% of 52 flights. SkyWest Airlines was lowest at 75.2% across 815 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines81575.2%16.1%0.4%
United Airlines5280.8%7.7%0.0%

Which month was most reliable for SFO to GEG?

Among qualifying SFO-to-GEG month results, March 2026 had the highest on-time rate: 87.9% of 58 flights. June 2026 was lowest at 56.1% across 98 flights.

MonthFlightsOn time30+ minCancelled
July 20258767.8%20.7%0.0%
August 20258583.5%9.4%0.0%
September 20258380.7%7.2%0.0%
October 20258973.0%20.2%0.0%
November 20257878.2%15.4%0.0%
December 20256282.3%8.1%0.0%
January 20264486.4%6.8%2.3%
February 20265275.0%11.5%0.0%
March 20265887.9%6.9%0.0%
April 20266172.1%18.0%1.6%
May 20267077.1%14.3%1.4%
June 20269856.1%34.7%0.0%

What drove SFO to GEG delay minutes?

National airspace was the largest recorded SFO-to-GEG delay category, accounting for 38.0% of 13,201 BTS-attributed delay minutes during July 2025–June 2026.

Airline20.7%
Late aircraft33.0%
National airspace38.0%
Weather8.4%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.