ON TIMEBOARD

LGA → MYR on time

LaGuardia (New York, NY) to Myrtle Beach (Myrtle Beach, SC). Every scheduled flight, September 2025 to August 2026.

On time
73%
arrived < 15 min late
Cancelled
4.6%
715 flights
Typical arrival
−6 min
median vs schedule
When late
+77 min
average delay
Flights / day
2
3 airlines

73% of flights from New York to Myrtle Beach arrived on time over the past 12 months. That is worse than the typical U.S. route. The 8 a.m. departures ran on time 80% of the time; the 7 a.m. ones 64%. Most reliable airline: Delta Air Lines (77%). 14% 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 LGA → MYR: when a flight was late, it was under 45 minutes late 46% of the time. About 1 in 10 flights landed an hour or more late, and 1 in 55 three hours or more; 4.6% were cancelled outright.

Share of all 715 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines38477%3.1%−4 min7.0%+63 minDelta Air Lines 67%, Endeavor Air 26%, Republic Airways 7%
Spirit Airlines27970%6.5%−8 min11.8%+95 minSpirit Airlines
American Airlines52—————Republic Airways

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 LGA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 a.m. departures: 64% on time (146 flights)647a8 a.m. departures: 80% on time (115 flights)808a9 a.m. departures: 78% on time (236 flights)789a10 a.m. departures: too few flights (36 flights)10a11 a.m. departures: too few flights (65 flights)11anoon departures: too few flights (22 flights)12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights (23 flights)2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights (14 flights)4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights (33 flights)6p
LGA → 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 airline and hour

DepartsDelta Air LinesSpirit Airlines
7 a.m.—65%
8 a.m.80%—
9 a.m.77%—

By month

Each calendar month pooled over 2023–2026. Best: October (89%). Worst: July (68%).

40%70%100%Jan: 79% on time (187 flights)79JanFeb: 81% on time (199 flights)81FebMar: 78% on time (234 flights)78MarApr: 87% on time (252 flights)87AprMay: 84% on time (229 flights)84MayJun: 78% on time (234 flights)78JunJul: 68% on time (253 flights)68JulAug: 79% on time (266 flights)79AugSep: 87% on time (300 flights)87SepOct: 89% on time (254 flights)89OctNov: 85% on time (241 flights)85NovDec: 75% on time (251 flights)75Dec

By day of week

DayFlightsOn timeCancelled
Monday98——
Tuesday97——
Wednesday92——
Thursday94——
Friday12376%4.1%
Saturday12174%3.3%
Sunday90——

Why flights were late

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

Airline (crew, maintenance, ops) 48%Air traffic & airport (NAS) 33%Late inbound plane 16%Severe weather 2%

Cancellations: weather 20 · airline 9 · air traffic/airport 4

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 78% on time, 5.2% cancelledApr 2024: 91% on time, 0.9% cancelledMay 2024: 85% on time, 1.6% cancelledJun 2024: 81% on time, 4.7% cancelledJul 2024: 72% on time, 10.9% cancelledAug 2024: 79% on time, 5.9% cancelledSep 2024: 93% on time, 0.0% cancelledOct 2024: 95% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
LGA → MYR, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 21948:05 a.m.14179%1.4%−8 minDelta Air Lines

Worst days in the past year

DateFlightsOn timeCancelled
Feb 23, 202630%3
Feb 22, 202630%1
Apr 19, 202630%0
Mar 7, 2026333%0
Dec 20, 2025333%0

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of New York or Myrtle Beach. None has been clearly more reliable than LGA → MYR.

RouteFlightsOn timeCancelled
LGA → MYR (this route)71573%4.6%
EWR → MYR Newark to Myrtle Beach91375%5.0%

Questions

How often are flights from LGA to MYR on time?

73% of 715 scheduled flights from New York, NY to Myrtle Beach, SC arrived within 15 minutes of schedule between September 2025 and August 2026. 4.6% were cancelled.

What is the best time of day to fly LGA to MYR?

Flights scheduled to leave at 8 a.m. were the most reliable (80% on time). The 7 a.m. departures were the least (64%).

Which airline is most on time from LGA to MYR?

Delta Air Lines: 77% of its 384 flights on the route arrived on time. Spirit Airlines: 70%.

What month has the most delays from LGA to MYR?

July (68% on time). The best month is October (89%), 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.