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Route Reliability

Baltimore → Savannah

BWI–SAV · 548 miles · Baltimore/Washington International Thurgood Marshall Airport to Savannah/Hilton Head International Airport

85
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
6 min
Average arrival delay
0.8%
Cancelled
995
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 81% of the time across 995 flights. No comparison to make.

What the data says

Morning-you made the right choice.

BWI–SAV flights departing between 6–9 AM arrived on time 94% of the time, versus 70% between 6–9 PM.

Sunday scaries are real for this one.

BWI–SAV flights arrived on time 88% of the time on Tuesdays. On Sundays: 76%.

Flights on this route

The breakdown

On-time by weekday
  • Mon81%(144 flights)
  • Tue88%(132 flights)
  • Wed86%(131 flights)
  • Thu77%(140 flights)
  • Fri79%(145 flights)
  • Sat84%(142 flights)
  • Sun76%(151 flights)
On-time by departure window
  • 6–9 AM94%(363 flights)
  • 9 AM–12 PM83%(24 flights)
  • 12–3 PM78%(87 flights)
  • 3–6 PM77%(167 flights)
  • 6–9 PM70%(337 flights)
  • 9 PM–12 AM—(7 flights)
On-time trend by month
84%
May

Jun 71% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%84
July 202562%79
August 202581%91
September 202589%90
October 202583%92
November 202586%78
December 202577%77
January 202685%61
February 202689%55
March 202680%88
April 202690%93
May 202684%97

Same trip, other airports

Keep nerding

Based on 995 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.