Historical on-time performance
Myrtle Beach to Boston
738 miData through May 2026Source: US DOT · BTS
Flights on MYR–BOS arrive on time 65% of the time over the last 12 months.
On-time rate65%arrived within 15 min
p90 delay100 min1 in 10 flights is worse (tail risk)
Cancelled1.9%of scheduled flights
based on 361 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Spirit AirlinesOn-time65%Medianon timep90100 minCancel1.9%Flights361
Why flights run late
Delay causes
- Airline22%
- Weather1%
- Air traffic (NAS)45%
- Late aircraft33%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline43%
- Weather43%
- Air traffic (NAS)14%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 7 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 MYR → BOS
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 · 441 flights
- Overnights77% on time · p90 55 min · 124 flights · limited
- Middays76% on time · p90 55 min · 502 flights
- Afternoons67% on time · p90 90 min · 486 flights
- Evenings64% on time · p90 105 min · 262 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 79% on time.
- Wednesdays79% on time · p90 45 min · 206 flights
- Saturdays77% on time · p90 60 min · 332 flights
- Tuesdays75% on time · p90 65 min · 203 flights
- Sundays75% on time · p90 60 min · 318 flights
- Thursdays74% on time · p90 65 min · 247 flights
- Mondays71% on time · p90 85 min · 255 flights
- Fridays70% on time · p90 70 min · 254 flights
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