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Route Reliability

Indianapolis → Baltimore

IND–BWI · 516 miles · Indianapolis International Airport to Baltimore/Washington International Thurgood Marshall Airport

86
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
3 min
Average arrival delay
1.6%
Cancelled
1,216
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 85% of the time across 1,216 flights. No comparison to make.

What the data says

Morning flights do better here.

IND–BWI flights departing between 3–6 AM arrived on time 97% of the time, versus 66% between 6–9 PM.

Sunday scaries are real for this one.

IND–BWI flights arrived on time 89% of the time on Tuesdays. On Sundays: 79%.

Slipping a little lately.

IND–BWI flights arrived on time 85% of the time over the last three months in the data, compared with 88% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon84%(177 flights)
  • Tue89%(171 flights)
  • Wed87%(165 flights)
  • Thu88%(179 flights)
  • Fri84%(182 flights)
  • Sat83%(133 flights)
  • Sun79%(188 flights)
On-time by departure window
  • 3–6 AM97%(250 flights)
  • 6–9 AM91%(127 flights)
  • 9 AM–12 PM97%(227 flights)
  • 12–3 PM84%(149 flights)
  • 3–6 PM74%(245 flights)
  • 6–9 PM66%(197 flights)
On-time trend by month
83%
May

Jun 79% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%114
July 202576%113
August 202588%97
September 202587%95
October 202584%119
November 202587%99
December 202578%96
January 202694%89
February 202692%75
March 202682%87
April 202691%106
May 202683%105

Same trip, other airports

Keep nerding

Based on 1,216 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.