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

Sacramento, CA (SMF) to Washington, DC (IAD) flight delay odds

93.7% of 365 official scheduled SMF-to-IAD flights arrived on time; 2.2% arrived at least 30 minutes late and 1.4% 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
93.7%arrived on time
2.2%30+ min late
1.4%cancelled
365scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late0.8%all scheduled flights
120+ minutes late0.0%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival-14.5 mincompleted flights

Which departure time was most reliable for SMF to IAD?

Only Early morning met the SMF-to-IAD departure window threshold: 93.6% of 346 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Early morning34693.6%2.3%1.4%

Which weekday was most reliable for SMF to IAD?

Among qualifying SMF-to-IAD weekday results, Tuesday had the highest on-time rate: 98.1% of 53 flights. Saturday was lowest at 90.4% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5290.4%0.0%3.8%
Tuesday5398.1%0.0%0.0%
Wednesday5290.4%5.8%0.0%
Thursday5298.1%0.0%1.9%
Friday5296.2%1.9%1.9%
Saturday5290.4%3.8%0.0%
Sunday5292.3%3.8%1.9%

Which airline was most reliable for SMF to IAD?

Only United Airlines met the SMF-to-IAD airline threshold: 93.7% of 365 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
United Airlines36593.7%2.2%1.4%

Which month was most reliable for SMF to IAD?

Among qualifying SMF-to-IAD month results, October 2025 had the highest on-time rate: 100.0% of 31 flights. July 2025 was lowest at 74.2% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253174.2%12.9%0.0%
August 20253190.3%6.5%0.0%
September 202530100.0%0.0%0.0%
October 202531100.0%0.0%0.0%
November 20253093.3%3.3%0.0%
December 20253196.8%0.0%0.0%
January 20263190.3%0.0%6.5%
February 20262896.4%3.6%0.0%
March 20263196.8%0.0%0.0%
April 202630100.0%0.0%0.0%
May 20263193.5%0.0%3.2%
June 20263093.3%0.0%6.7%

What drove SMF to IAD delay minutes?

National airspace was the largest recorded SMF-to-IAD delay category, accounting for 58.2% of 594 BTS-attributed delay minutes during July 2025–June 2026.

Airline38.7%
Late aircraft3.0%
National airspace58.2%
Weather0.0%
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.