Historical on-time performance
Miami to Memphis
860 miData through May 2026Source: US DOT · BTS
Flights on MIA–MEM arrive on time 55% of the time over the last 12 months.
On-time rate55%arrived within 15 min
p90 delay85 min1 in 10 flights is worse (tail risk)
Cancelled1.7%of scheduled flights
based on 541 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time55%Median5 minp9085 minCancel1.7%Flights541
Why flights run late
Delay causes
- Airline42%
- Weather2%
- Air traffic (NAS)12%
- Late aircraft44%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather89%
- Air traffic (NAS)11%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 9 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 MIA → MEM
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 60% to 63% on time.
- Afternoons63% on time · p90 95 min · 259 flights
- Overnights60% on time · p90 75 min · 1,078 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 49% to 71% on time.
- Tuesdays71% on time · p90 45 min · 176 flights · limited
- Wednesdays65% on time · p90 55 min · 172 flights · limited
- Saturdays64% on time · p90 75 min · 211 flights
- Mondays60% on time · p90 85 min · 197 flights · limited
- Fridays58% on time · p90 95 min · 196 flights · limited
- Thursdays57% on time · p90 60 min · 196 flights · limited
- Sundays49% on time · p90 95 min · 200 flights
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