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

86.4% of 633 official scheduled GEG-to-SMF flights arrived on time; 6.3% arrived at least 30 minutes late and 0.2% 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 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

Which departure time was most reliable for GEG to SMF?

Among qualifying GEG-to-SMF departure window results, Early morning had the highest on-time rate: 97.0% of 362 flights. Evening was lowest at 65.9% across 179 flights.

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

Which weekday was most reliable for GEG to SMF?

Among qualifying GEG-to-SMF weekday results, Tuesday had the highest on-time rate: 91.7% of 84 flights. Friday was lowest at 80.6% across 103 flights.

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%

Which airline was most reliable for GEG to SMF?

Only Southwest Airlines met the GEG-to-SMF airline threshold: 86.4% of 633 scheduled flights arrived on time during July 2025–June 2026.

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

Which month was most reliable for GEG to SMF?

Among qualifying GEG-to-SMF month results, February 2026 had the highest on-time rate: 93.0% of 43 flights. June 2026 was lowest at 79.6% across 54 flights.

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 GEG to SMF delay minutes?

Late aircraft was the largest recorded GEG-to-SMF delay category, accounting for 62.0% of 4,569 BTS-attributed delay minutes during July 2025–June 2026.

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.