Historical on-time performance
Baltimore to Phoenix
1,998 miData through Dec 2025Source: US DOT · BTS
Flights on BWI–PHX arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 1,305 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time77%Medianon timep9035 minCancel0.7%Flights1,305
Why flights run late
Delay causes
- Airline31%
- Weather8%
- Air traffic (NAS)21%
- Late aircraft39%
- Security1%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 51% to 88% on time.
- Mornings88% on time · p90 15 min · 1,360 flights
- Middays84% on time · p90 20 min · 426 flights
- Evenings69% on time · p90 60 min · 556 flights
- Afternoons64% on time · p90 55 min · 692 flights
- Overnights51% on time · p90 75 min · 661 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 77% on time.
- Tuesdays77% on time · p90 30 min · 507 flights
- Wednesdays76% on time · p90 35 min · 503 flights
- Thursdays75% on time · p90 40 min · 533 flights
- Fridays74% on time · p90 45 min · 543 flights
- Saturdays72% on time · p90 45 min · 527 flights
- Mondays72% on time · p90 50 min · 541 flights
- Sundays69% on time · p90 65 min · 541 flights
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