Historical on-time performance
Baltimore to Phoenix
1,999 miData through May 2026Source: US DOT · BTS
Flights on BWI–PHX arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 1,308 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time76%Medianon timep9040 minCancel0.9%Flights1,308
Why flights run late
Delay causes
- Airline34%
- Weather4%
- Air traffic (NAS)20%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline17%
- Weather75%
- Air traffic (NAS)8%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 12 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BWI → PHX
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 15 min · 1,274 flights
- Middays83% on time · p90 20 min · 494 flights
- Evenings69% on time · p90 60 min · 632 flights
- Afternoons65% on time · p90 50 min · 707 flights
- Overnights53% on time · p90 75 min · 626 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 77% on time.
- Tuesdays77% on time · p90 30 min · 513 flights
- Wednesdays76% on time · p90 35 min · 508 flights
- Thursdays76% on time · p90 40 min · 548 flights
- Fridays74% on time · p90 50 min · 560 flights
- Saturdays73% on time · p90 45 min · 520 flights
- Mondays73% on time · p90 45 min · 548 flights
- Sundays70% on time · p90 60 min · 536 flights
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