Historical on-time performance
Phoenix to Baltimore
1,998 miData through May 2026Source: US DOT · BTS
Flights on PHX–BWI arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 1,311 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time79%Medianon timep9025 minCancel1.1%Flights1,311
Why flights run late
Delay causes
- Airline37%
- Weather1%
- Air traffic (NAS)17%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline36%
- Weather57%
- Air traffic (NAS)7%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 14 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 PHX → BWI
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 — 89% on time.
- Mornings89% on time · p90 15 min · 1,411 flights
- Overnights83% on time · p90 25 min · 547 flights
- Middays73% on time · p90 30 min · 781 flights
- Evenings67% on time · p90 50 min · 661 flights
- Afternoons66% on time · p90 40 min · 372 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 82% on time.
- Tuesdays82% on time · p90 20 min · 530 flights
- Saturdays81% on time · p90 25 min · 520 flights
- Wednesdays80% on time · p90 25 min · 527 flights
- Mondays78% on time · p90 30 min · 551 flights
- Sundays77% on time · p90 30 min · 535 flights
- Thursdays77% on time · p90 30 min · 549 flights
- Fridays76% on time · p90 35 min · 560 flights
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