FlightRecord

Baltimore (BWI) to Phoenix (PHX): On-Time Performance

Data through July 2026

When you fly BWI to PHX matters as much as anything else about the booking: the route swung from 90% on-time in October 2024 to just 47% in July 2024. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 65%), which matters most in the rough months.

On-time
77%
arrived <15 min late
Avg delay
13 min
completed flights
Cancelled
0.8%
Flights/day
3.4
last 12 months
Duration
5h 6m
scheduled
Distance
1,999 mi

Monthly on-time trend

Monthly on-time percentage for BWI to PHX flights50%75%100%August 2024: 69% on-time (104 flights)69Aug 2024September 2024: 83% on-time (103 flights)83October 2024: 90% on-time (113 flights)90November 2024: 88% on-time (104 flights)88Nov 2024December 2024: 84% on-time (105 flights)84January 2025: 86% on-time (96 flights)86February 2025: 78% on-time (102 flights)78Feb 2025March 2025: 80% on-time (125 flights)80April 2025: 74% on-time (111 flights)74May 2025: 80% on-time (109 flights)80May 2025June 2025: 75% on-time (110 flights)75July 2025: 67% on-time (115 flights)67August 2025: 79% on-time (105 flights)79Aug 2025September 2025: 77% on-time (103 flights)77October 2025: 85% on-time (119 flights)85November 2025: 82% on-time (104 flights)82Nov 2025December 2025: 74% on-time (106 flights)74January 2026: 88% on-time (96 flights)88February 2026: 78% on-time (96 flights)78Feb 2026March 2026: 73% on-time (113 flights)73April 2026: 71% on-time (118 flights)71May 2026: 76% on-time (123 flights)76May 2026June 2026: 62% on-time (89 flights)62July 2026: 84% on-time (62 flights)84

Best time to fly from BWI to PHX

Aim for departures around 7 a.m. (92% on-time); avoid 10 p.m. departures (49%).

On-time percentage by scheduled departure hour, BWI to PHX6 a.m.: 91% on-time (572 flights)67 a.m.: 92% on-time (109 flights)78 a.m.: 87% on-time (105 flights)89 a.m.: 85% on-time (159 flights)910 a.m.: 85% on-time (176 flights)1011 a.m.: 90% on-time (61 flights)1112 p.m.: 85% on-time (69 flights)121 p.m.: 82% on-time (82 flights)132 p.m.: 58% on-time (103 flights)143 p.m.: 61% on-time (172 flights)154 p.m.: 77% on-time (181 flights)165 p.m.: 70% on-time (138 flights)176 p.m.: 70% on-time (172 flights)187 p.m.: 67% on-time (137 flights)198 p.m.: 71% on-time (125 flights)209 p.m.: 56% on-time (229 flights)2110 p.m.: 49% on-time (34 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday74%15 min
Tuesdaybest81%9 min
Wednesday79%13 min
Thursday80%13 min
Friday76%14 min
Saturday77%11 min
Sunday73%17 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft37%
  • Airline operations39%
  • National airspace system19%
  • Weather5%
  • Security1%

Frequently asked questions

How often are flights from BWI to PHX delayed?
23% of BWI–PHX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
What is the best time of day to fly from BWI to PHX?
Departures around 7 a.m. have the best record (92% on-time), while departures around 10 p.m. have the worst (49%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from BWI to PHX?
The scheduled BWI–PHX flight time averages 5h 6m over 1,999 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
How often are BWI to PHX flights cancelled?
0.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What is the worst month to fly from BWI to PHX?
July 2024 was the roughest month in this dataset, with only 47% of arrivals on time. The best was October 2024 at 90%. If your dates are flexible, that 43-point gap is worth planning around.

Based on 2,624 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.