ON TIMEBOARD
BOS Boston / MYR Myrtle Beach

BOS → MYR on time

Boston Logan (Boston, MA) to Myrtle Beach (Myrtle Beach, SC). Every scheduled flight, September 2025 to August 2026.

On time
67%
arrived < 15 min late
Cancelled
6.0%
369 flights
Typical arrival
−5 min
median vs schedule
When late
+74 min
average delay
Flights / day
1
3 airlines

67% of flights from Boston to Myrtle Beach arrived on time over the past 12 months. That is worse than the typical U.S. route. 17% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for BOS → MYR: when a flight was late, it was under 45 minutes late 47% of the time. About 1 in 9 flights landed an hour or more late, and 1 in 92 three hours or more; 6.0% were cancelled outright.

Share of all 369 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Spirit Airlines25662%7.8%−4 min13.7%+69 minSpirit Airlines
Delta Air Lines63—————Republic Airways 62%, Delta Air Lines 38%
American Airlines50—————Envoy 76%, Republic Airways 24%

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at BOS). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: too few flights (61 flights)6a7 a.m. departures: too few flights (1 flights)7a8 a.m. departures: too few flights (35 flights)8a9 a.m. departures: too few flights (63 flights)9a10 a.m. departures: too few flights (17 flights)10a11 a.m. departures: too few flights (14 flights)11anoon departures: too few flights (19 flights)12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights (22 flights)2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights (28 flights)4p5 p.m. departures: too few flights (2 flights)5p6 p.m. departures: too few flights (87 flights)6p
BOS → MYR, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By month

Each calendar month pooled over 2023–2026. Best: November (87%). Worst: February (65%).

40%70%100%Jan: too few flights (86 flights)JanFeb: 65% on time (115 flights)65FebMar: 71% on time (157 flights)71MarApr: 74% on time (202 flights)74AprMay: 83% on time (156 flights)83MayJun: 79% on time (156 flights)79JunJul: 66% on time (160 flights)66JulAug: 77% on time (181 flights)77AugSep: 82% on time (170 flights)82SepOct: 80% on time (147 flights)80OctNov: 87% on time (133 flights)87NovDec: too few flights (78 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday42——
Tuesday31——
Wednesday32——
Thursday43——
Friday69——
Saturday84——
Sunday68——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 40%Air traffic & airport (NAS) 33%Airline (crew, maintenance, ops) 24%Severe weather 2%

Cancellations: weather 14 · airline 7 · air traffic/airport 1

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Oct 12, 202530%0
Apr 23, 2026367%0
Sep 7, 2025367%1
Oct 19, 2025367%0
Apr 26, 2026367%0

Questions

How often are flights from BOS to MYR on time?

67% of 369 scheduled flights from Boston, MA to Myrtle Beach, SC arrived within 15 minutes of schedule between September 2025 and August 2026. 6.0% were cancelled.

What month has the most delays from BOS to MYR?

February (65% on time). The best month is November (87%), over 2023–2026.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.