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Route Reliability

Baltimore → Pittsburgh

BWI–PIT · 210 miles · Baltimore/Washington International Thurgood Marshall Airport to Pittsburgh International Airport

79
Usually Fine
WanderNerd Reliability Score
78%
Arrive within 15 minutes
7 min
Average arrival delay
1.8%
Cancelled
1,074
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 78% of the time across 1,074 flights. No comparison to make.

What the data says

Morning flights do better here.

BWI–PIT flights departing between 9 AM–12 PM arrived on time 90% of the time, versus 63% between 9 PM–12 AM.

Sunday scaries are real for this one.

BWI–PIT flights arrived on time 83% of the time on Wednesdays. On Sundays: 69%.

Slipping a little lately.

BWI–PIT flights arrived on time 77% of the time over the last three months in the data, compared with 84% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon73%(152 flights)
  • Tue83%(156 flights)
  • Wed83%(152 flights)
  • Thu78%(152 flights)
  • Fri81%(151 flights)
  • Sat81%(145 flights)
  • Sun69%(147 flights)
On-time by departure window
  • 9 AM–12 PM90%(363 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM74%(291 flights)
  • 6–9 PM86%(140 flights)
  • 9 PM–12 AM63%(260 flights)
On-time trend by month
76%
May

Jun 61% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%88
July 202556%88
August 202586%88
September 202593%86
October 202577%93
November 202585%87
December 202576%87
January 202689%87
February 202687%78
March 202673%90
April 202681%90
May 202676%93

Same trip, other airports

Keep nerding

Based on 1,074 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.