Baltimore (BWI) to Phoenix (PHX): On-Time Performance
Data through May 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 64%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 3.6
- last 12 months
- Duration
- 5h 6m
- scheduled
- Distance
- 1,999 mi
Monthly on-time trend
Best time to fly from BWI to PHX
Aim for departures around 7 a.m. (96% on-time); avoid 10 p.m. departures (43%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 15 min |
| Tuesdaybest | 80% | 10 min |
| Wednesday | 78% | 13 min |
| Thursday | 79% | 13 min |
| Friday | 76% | 14 min |
| Saturday | 77% | 11 min |
| Sunday | 73% | 18 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 system18%
- 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 2024-06 and 2026-05. The average arrival delay across completed flights was 14 minutes.
- What is the best time of day to fly from BWI to PHX?
- Departures around 7 a.m. have the best record (96% on-time), while departures around 10 p.m. have the worst (43%). 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?
- 0.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, 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.
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Based on 2,563 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.