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Route Reliability

Sacramento → Baltimore

SMF–BWI · 2,395 miles · Sacramento International Airport to Baltimore/Washington International Thurgood Marshall Airport

88
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
1 min
Average arrival delay
0.8%
Cancelled
364
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 84% of the time across 364 flights. No comparison to make.

What the data says

The 3–6 AM departure wins.

SMF–BWI flights departing between 3–6 AM arrived on time 96% of the time, versus 80% between 9 AM–12 PM.

Sunday scaries are real for this one.

SMF–BWI flights arrived on time 90% of the time on Fridays. On Sundays: 79%.

Slipping a little lately.

SMF–BWI flights arrived on time 87% of the time over the last three months in the data, compared with 90% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon83%(52 flights)
  • Tue87%(52 flights)
  • Wed87%(52 flights)
  • Thu80%(51 flights)
  • Fri90%(51 flights)
  • Sat86%(50 flights)
  • Sun79%(52 flights)
On-time by departure window
  • 3–6 AM96%(27 flights)
  • 6–9 AM95%(42 flights)
  • 9 AM–12 PM80%(100 flights)
  • 12–3 PM—(8 flights)
  • 9 PM–12 AM84%(183 flights)
On-time trend by month
90%
May

Jun 80% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202565%31
August 202581%31
September 202577%30
October 202594%31
November 202589%28
December 202587%31
January 202690%29
February 202693%28
March 202683%30
April 202687%30
May 202690%31

Same trip, other airports

Keep nerding

Based on 364 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.