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Route Reliability

Memphis → Baltimore

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

83
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
6 min
Average arrival delay
1.0%
Cancelled
289
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 79% of the time across 289 flights. No comparison to make.

What the data says

Morning flights do better here.

MEM–BWI flights departing between 9 AM–12 PM arrived on time 100% of the time, versus 75% between 3–6 PM.

Wednesdays have been rough.

MEM–BWI flights arrived on time 93% of the time on Saturdays and just 69% on Wednesdays. That gap is worth planning around.

Slipping a little lately.

MEM–BWI flights arrived on time 84% of the time over the last three months in the data, compared with 90% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon77%(48 flights)
  • Tue74%(27 flights)
  • Wed69%(26 flights)
  • Thu82%(49 flights)
  • Fri71%(49 flights)
  • Sat93%(29 flights)
  • Sun85%(58 flights)
On-time by departure window
  • 3–6 AM—(2 flights)
  • 6–9 AM92%(13 flights)
  • 9 AM–12 PM100%(30 flights)
  • 12–3 PM77%(119 flights)
  • 3–6 PM75%(114 flights)
  • 6–9 PM—(8 flights)
On-time trend by month
91%
May

Jun 67% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202563%30
August 202582%22
September 202571%21
October 202573%26
November 202596%28
December 202586%29
February 202688%17
March 202679%29
April 202682%22
May 202691%23

Same trip, other airports

Keep nerding

Based on 289 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.