Historical on-time performance
Boston to Memphis
1,139 miData through May 2026Source: US DOT · BTS
Flights on BOS–MEM arrive on time 65% of the time over the last 12 months.
On-time rate65%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled2.8%of scheduled flights
based on 181 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time65%Medianon timep9055 minCancel2.8%Flights181
Why flights run late
Delay causes
- Airline27%
- Weather0%
- Air traffic (NAS)23%
- Late aircraft50%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline40%
- Weather0%
- Air traffic (NAS)60%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 5 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 BOS → MEM
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Afternoons are the most reliable time of day to fly this route — 86% on time.
- Afternoons86% on time · p90 25 min · 153 flights · limited
- Evenings71% on time · p90 70 min · 386 flights
- Overnights67% on time · p90 65 min · 784 flights
Best day of week
Saturdays are the most reliable day to fly this route — 83% on time.
- Saturdays83% on time · p90 30 min · 176 flights · limited
- Tuesdays75% on time · p90 40 min · 206 flights
- Wednesdays72% on time · p90 50 min · 204 flights
- Thursdays70% on time · p90 75 min · 202 flights
- Sundays69% on time · p90 55 min · 207 flights
- Mondays68% on time · p90 75 min · 209 flights
- Fridays66% on time · p90 65 min · 206 flights
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