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Route Reliability

Phoenix → Baltimore

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

83
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
4 min
Average arrival delay
1.1%
Cancelled
1,311
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 1,311 flights. No comparison to make.

What the data says

Morning-you made the right choice.

PHX–BWI flights departing between 3–6 AM arrived on time 94% of the time, versus 46% between 6–9 PM.

Sunday scaries are real for this one.

PHX–BWI flights arrived on time 86% of the time on Saturdays. On Sundays: 75%.

Slipping a little lately.

PHX–BWI flights arrived on time 77% of the time over the last three months in the data, compared with 83% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon81%(194 flights)
  • Tue85%(184 flights)
  • Wed83%(182 flights)
  • Thu78%(191 flights)
  • Fri82%(197 flights)
  • Sat86%(171 flights)
  • Sun75%(172 flights)
On-time by departure window
  • 3–6 AM94%(256 flights)
  • 6–9 AM87%(117 flights)
  • 9 AM–12 PM78%(203 flights)
  • 12–3 PM70%(215 flights)
  • 3–6 PM64%(116 flights)
  • 6–9 PM46%(22 flights)
  • 9 PM–12 AM87%(362 flights)
On-time trend by month
78%
May

Jun 73% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%108
July 202580%110
August 202588%104
September 202585%103
October 202588%118
November 202584%104
December 202582%106
January 202682%94
February 202684%93
March 202675%110
April 202680%118
May 202678%123

Same trip, other airports

Keep nerding

Based on 1,311 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.