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Route Reliability

Baltimore → Hartford

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

82
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
4 min
Average arrival delay
1.9%
Cancelled
1,763
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 82% of the time across 1,763 flights. No comparison to make.

What the data says

Morning-you made the right choice.

BWI–BDL flights departing between 6–9 AM arrived on time 95% of the time, versus 61% between 9 PM–12 AM.

Sunday scaries are real for this one.

BWI–BDL flights arrived on time 86% of the time on Fridays. On Sundays: 77%.

Flights on this route

The breakdown

On-time by weekday
  • Mon80%(257 flights)
  • Tue82%(251 flights)
  • Wed85%(247 flights)
  • Thu80%(256 flights)
  • Fri86%(259 flights)
  • Sat85%(219 flights)
  • Sun77%(239 flights)
On-time by departure window
  • 6–9 AM95%(352 flights)
  • 9 AM–12 PM94%(353 flights)
  • 12–3 PM85%(218 flights)
  • 3–6 PM76%(276 flights)
  • 6–9 PM73%(288 flights)
  • 9 PM–12 AM61%(241 flights)
On-time trend by month
85%
May

Jun 74% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%151
July 202573%150
August 202584%147
September 202591%146
October 202582%150
November 202589%141
December 202577%147
January 202685%125
February 202685%122
March 202680%146
April 202681%149
May 202685%154

Same trip, other airports

Keep nerding

Based on 1,763 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.