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WanderNerd

Route Reliability

Baltimore → Colorado Springs

BWICOS · 1,503 miles · Baltimore/Washington International Thurgood Marshall Airport to Colorado Springs Airport

83
Pretty Reliable
WanderNerd Reliability Score
75%
Arrive within 15 minutes
9 min
Average arrival delay
0%
Cancelled
158
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 75% of the time across 158 flights. No comparison to make.

What the data says

Morning flights do better here.

BWI–COS flights departing between 6–9 AM arrived on time 92% of the time, versus 57% between 3–6 PM.

Thursdays have been rough.

BWI–COS flights arrived on time 88% of the time on Tuesdays and just 59% on Thursdays. That gap is worth planning around.

It basically never cancels.

Out of 158 scheduled flights, only 0.0% were cancelled.

Trending in the right direction.

BWI–COS flights arrived on time 85% of the time over the last three months in the data, compared with 67% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon80%(25 flights)
  • Tue88%(25 flights)
  • Wed87%(23 flights)
  • Thu59%(22 flights)
  • Fri75%(24 flights)
  • Sat64%(14 flights)
  • Sun64%(25 flights)
On-time by departure window
  • 6–9 AM92%(12 flights)
  • 9 AM–12 PM80%(30 flights)
  • 12–3 PM90%(48 flights)
  • 3–6 PM57%(63 flights)
  • 6–9 PM(5 flights)
On-time trend by month
73%
Dec

Jun 53% → Dec 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202568%31
August 202581%26
September 202592%26
October 202589%26
December 202573%11

Based on 158 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.