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Route Reliability

Baltimore → Memphis

BWI–MEM · 787 miles · Baltimore/Washington International Thurgood Marshall Airport to Memphis International Airport

85
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
2 min
Average arrival delay
1.4%
Cancelled
290
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 290 flights. No comparison to make.

What the data says

Morning flights do better here.

BWI–MEM flights departing between 6–9 AM arrived on time 100% of the time, versus 80% between 3–6 PM.

Sunday scaries are real for this one.

BWI–MEM flights arrived on time 92% of the time on Wednesdays and just 77% on Sundays. That gap is worth planning around.

Trending in the right direction.

BWI–MEM flights arrived on time 87% of the time over the last three months in the data, compared with 80% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon82%(50 flights)
  • Tue89%(27 flights)
  • Wed92%(26 flights)
  • Thu84%(49 flights)
  • Fri81%(48 flights)
  • Sat79%(29 flights)
  • Sun77%(57 flights)
On-time by departure window
  • 6–9 AM100%(10 flights)
  • 9 AM–12 PM81%(32 flights)
  • 12–3 PM84%(145 flights)
  • 3–6 PM80%(86 flights)
  • 6–9 PM—(5 flights)
  • 9 PM–12 AM—(8 flights)
On-time trend by month
91%
May

Jun 80% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202577%31
August 202573%22
September 202595%21
October 202596%26
November 202596%28
December 202555%29
February 202688%16
March 202683%29
April 202686%22
May 202691%23

Same trip, other airports

Keep nerding

Based on 290 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.