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Route Reliability

Baltimore → Jacksonville

BWI–JAX · 663 miles · Baltimore/Washington International Thurgood Marshall Airport to Jacksonville International Airport

79
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
9 min
Average arrival delay
1.3%
Cancelled
1,410
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 76% of the time across 1,410 flights. No comparison to make.

What the data says

Morning flights do better here.

BWI–JAX flights departing between 6–9 AM arrived on time 89% of the time, versus 40% between 9 PM–12 AM.

Sunday scaries are real for this one.

BWI–JAX flights arrived on time 81% of the time on Wednesdays. On Sundays: 70%.

Slipping a little lately.

BWI–JAX flights arrived on time 78% of the time over the last three months in the data, compared with 81% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon76%(201 flights)
  • Tue79%(194 flights)
  • Wed81%(190 flights)
  • Thu75%(199 flights)
  • Fri74%(209 flights)
  • Sat80%(183 flights)
  • Sun70%(213 flights)
On-time by departure window
  • 6–9 AM89%(333 flights)
  • 9 AM–12 PM86%(177 flights)
  • 12–3 PM77%(243 flights)
  • 3–6 PM67%(265 flights)
  • 6–9 PM67%(361 flights)
  • 9 PM–12 AM40%(10 flights)
On-time trend by month
81%
May

Jun 67% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%118
July 202564%118
August 202578%110
September 202578%107
October 202575%120
November 202580%130
December 202573%133
January 202688%97
February 202684%87
March 202674%119
April 202678%123
May 202681%127

Same trip, other airports

Keep nerding

Based on 1,410 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.