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Route Reliability

Baltimore → Austin

BWI–AUS · 1,342 miles · Baltimore/Washington International Thurgood Marshall Airport to Austin–Bergstrom International Airport

78
Usually Fine
WanderNerd Reliability Score
78%
Arrive within 15 minutes
3 min
Average arrival delay
1.8%
Cancelled
1,285
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 78% of the time across 1,285 flights. No comparison to make.

What the data says

Morning flights do better here.

BWI–AUS flights departing between 6–9 AM arrived on time 92% of the time, versus 60% between 9 PM–12 AM.

Sunday scaries are real for this one.

BWI–AUS flights arrived on time 82% of the time on Tuesdays. On Sundays: 73%.

Slipping a little lately.

BWI–AUS flights arrived on time 76% 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
  • Mon80%(183 flights)
  • Tue82%(180 flights)
  • Wed80%(175 flights)
  • Thu78%(186 flights)
  • Fri74%(190 flights)
  • Sat81%(150 flights)
  • Sun73%(197 flights)
On-time by departure window
  • 6–9 AM92%(327 flights)
  • 9 AM–12 PM88%(221 flights)
  • 12–3 PM70%(236 flights)
  • 3–6 PM73%(129 flights)
  • 6–9 PM66%(295 flights)
  • 9 PM–12 AM60%(53 flights)
On-time trend by month
70%
May

Jun 69% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%113
July 202568%114
August 202583%105
September 202587%107
October 202581%119
November 202583%105
December 202567%106
January 202685%87
February 202690%81
March 202683%93
April 202677%112
May 202670%119

Same trip, other airports

Keep nerding

Based on 1,285 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.