Historical on-time performance
Baltimore to Memphis
787 miData through Dec 2025Source: US DOT · BTS
Flights on BWI–MEM arrive on time 69% of the time over the last 12 months.
On-time rate69%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 91 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time69%Medianon timep9040 minCancel1.1%Flights91
Why flights run late
Delay causes
- Airline26%
- Weather24%
- Air traffic (NAS)24%
- Late aircraft26%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BWI → MEM
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 71% to 87% on time.
- Mornings87% on time · p90 15 min · 256 flights
- Middays84% on time · p90 25 min · 216 flights
- Afternoons71% on time · p90 40 min · 168 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 88% on time.
- Tuesdays88% on time · p90 20 min · 75 flights · limited
- Thursdays88% on time · p90 20 min · 116 flights · limited
- Wednesdays81% on time · p90 40 min · 74 flights · limited
- Fridays80% on time · p90 25 min · 116 flights · limited
- Mondays77% on time · p90 30 min · 115 flights · limited
- Sundays76% on time · p90 35 min · 135 flights · limited
- Saturdays74% on time · p90 30 min · 61 flights · limited
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