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

Spokane, WA (GEG) to Sacramento, CA (SMF) flight delay odds

Historically, 86.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 633 flights.

HISTORICAL ROUTE SIGNALLower disruption
86.4%arrived on time
6.3%30+ min late
0.2%cancelled
633scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.2%all scheduled flights
120+ minutes late1.3%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival-1.5 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning36297.0%1.4%0.0%
Afternoon6681.8%10.6%0.0%
Evening17965.9%15.1%0.6%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday10282.4%6.9%0.0%
Tuesday8491.7%6.0%0.0%
Wednesday7991.1%5.1%0.0%
Thursday10089.0%6.0%0.0%
Friday10380.6%4.9%1.0%
Saturday6288.7%6.5%0.0%
Sunday10384.5%8.7%0.0%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines63386.4%6.3%0.2%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 20258483.3%9.5%0.0%
August 20256086.7%5.0%0.0%
September 20255683.9%8.9%1.8%
October 20255782.5%7.0%0.0%
November 20254887.5%6.2%0.0%
December 20254689.1%4.3%0.0%
January 20264092.5%5.0%0.0%
February 20264393.0%4.7%0.0%
March 20264987.8%2.0%0.0%
April 20264787.2%8.5%0.0%
May 20264989.8%2.0%0.0%
June 20265479.6%9.3%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline24.5%
Late aircraft62.0%
National airspace4.6%
Weather0.0%
Security8.8%
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.