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Route Reliability

Sacramento → Washington

SMF–IAD · 2,357 miles · Sacramento International Airport to Washington Dulles International Airport

96
Nerd Approved
WanderNerd Reliability Score
94%
Arrive within 15 minutes
13 min early
Average arrival delay
0.8%
Cancelled
365
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 94% of the time across 365 flights. No comparison to make.

What the data says

Departure time hasn't mattered much.

On-time rates stay between 94% and 95% across the day.

Skip Wednesday if you can.

SMF–IAD flights arrived on time 100% of the time on Thursdays. On Wednesdays: 90%.

Flights on this route

The breakdown

On-time by weekday
  • Mon92%(51 flights)
  • Tue96%(52 flights)
  • Wed90%(50 flights)
  • Thu100%(50 flights)
  • Fri96%(52 flights)
  • Sat90%(52 flights)
  • Sun94%(52 flights)
On-time by departure window
  • 6–9 AM94%(340 flights)
  • 9 PM–12 AM95%(19 flights)
On-time trend by month
100%
May

Jun 86% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%28
July 202574%31
August 202590%31
September 2025100%30
October 2025100%31
November 202593%30
December 202597%31
January 202697%29
February 202696%28
March 202697%31
April 2026100%30
May 2026100%29

Same trip, other airports

Keep nerding

Based on 365 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.