Historical on-time performance
Boston to Myrtle Beach
738 miData through May 2026Source: US DOT · BTS
Flights on BOS–MYR arrive on time 69% of the time over the last 12 months.
On-time rate69%arrived within 15 min
p90 delay75 min1 in 10 flights is worse (tail risk)
Cancelled3.3%of scheduled flights
based on 362 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Spirit AirlinesOn-time69%Medianon timep9075 minCancel3.3%Flights362
Why flights run late
Delay causes
- Airline21%
- Weather0%
- Air traffic (NAS)44%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline42%
- Weather50%
- Air traffic (NAS)8%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 12 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 → MYR
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 — 86% on time.
- Mornings86% on time · p90 20 min · 781 flights
- Middays78% on time · p90 50 min · 443 flights
- Overnights66% on time · p90 95 min · 174 flights · limited
- Afternoons66% on time · p90 60 min · 249 flights
- Evenings62% on time · p90 80 min · 170 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 83% on time.
- Wednesdays83% on time · p90 25 min · 209 flights
- Saturdays81% on time · p90 45 min · 331 flights
- Tuesdays79% on time · p90 45 min · 198 flights · limited
- Sundays76% on time · p90 45 min · 308 flights
- Thursdays76% on time · p90 40 min · 253 flights
- Fridays74% on time · p90 60 min · 265 flights
- Mondays72% on time · p90 55 min · 253 flights
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