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Route Reliability

Hartford → Baltimore

BDL–BWI · 283 miles · Bradley International Airport to Baltimore/Washington International Thurgood Marshall Airport

83
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
4 min
Average arrival delay
1.9%
Cancelled
1,764
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 83% of the time across 1,764 flights. No comparison to make.

What the data says

Morning-you made the right choice.

BDL–BWI flights departing between 3–6 AM arrived on time 95% of the time, versus 55% between 6–9 PM.

Friday is doing you no favors.

BDL–BWI flights arrived on time 87% of the time on Wednesdays. On Fridays: 80%.

Trending in the right direction.

BDL–BWI flights arrived on time 90% of the time over the last three months in the data, compared with 79% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon81%(253 flights)
  • Tue84%(249 flights)
  • Wed87%(245 flights)
  • Thu84%(259 flights)
  • Fri80%(259 flights)
  • Sat86%(219 flights)
  • Sun82%(243 flights)
On-time by departure window
  • 3–6 AM95%(149 flights)
  • 6–9 AM93%(503 flights)
  • 9 AM–12 PM92%(181 flights)
  • 12–3 PM76%(436 flights)
  • 3–6 PM74%(438 flights)
  • 6–9 PM55%(20 flights)
On-time trend by month
92%
May

Jun 77% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%149
July 202575%154
August 202584%147
September 202590%146
October 202584%150
November 202585%142
December 202569%146
January 202686%124
February 202684%121
March 202688%146
April 202689%148
May 202692%154

Same trip, other airports

Keep nerding

Based on 1,764 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.