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Route Reliability

Baltimore → Phoenix

BWI–PHX · 1,999 miles · Baltimore/Washington International Thurgood Marshall Airport to Phoenix Sky Harbor International Airport

82
Pretty Reliable
WanderNerd Reliability Score
78%
Arrive within 15 minutes
5 min
Average arrival delay
0.9%
Cancelled
1,308
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 1,308 flights. No comparison to make.

What the data says

Morning-you made the right choice.

BWI–PHX flights departing between 6–9 AM arrived on time 92% of the time, versus 57% between 9 PM–12 AM.

Sunday scaries are real for this one.

BWI–PHX flights arrived on time 83% of the time on Tuesdays. On Sundays: 71%.

Recent months have been rougher.

BWI–PHX flights arrived on time 74% of the time over the last three months in the data, compared with 82% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon79%(195 flights)
  • Tue83%(185 flights)
  • Wed76%(180 flights)
  • Thu79%(195 flights)
  • Fri79%(196 flights)
  • Sat80%(172 flights)
  • Sun71%(171 flights)
On-time by departure window
  • 6–9 AM92%(364 flights)
  • 9 AM–12 PM87%(197 flights)
  • 12–3 PM79%(155 flights)
  • 3–6 PM68%(229 flights)
  • 6–9 PM72%(193 flights)
  • 9 PM–12 AM57%(156 flights)
On-time trend by month
76%
May

Jun 76% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%110
July 202569%111
August 202581%104
September 202579%102
October 202585%119
November 202582%103
December 202577%106
January 202689%93
February 202679%94
March 202674%111
April 202673%118
May 202676%123

Same trip, other airports

Keep nerding

Based on 1,308 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.