Itineraries flown on 20+ days in the Jun 6 – Jul 31, 2026 schedule · each leg’s record Aug 2025 – Jul 2026

No clear winner: Frontier’s ISP → MYR flights land within a few points of 84% on time whatever the hour.

Nonstops (seasonal or thin)


Frontier	ISP	MYR	1h 54m	84%	3.3%	121	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach Myrtle Beach on time. Total trip = scheduled departure to arrival, layover included. Layovers up to 4 hours. Pick a connection for the details.


Southwest Details →	ISP 06:00 → BWI 07:15WN 2141	1h 05m Baltimore	BWI 08:20 → MYR 09:55WN 2997	3h 55m	93%	87%
Southwest Details →	ISP 12:30 → BWI 13:45WN 2143	3h 20m Baltimore	BWI 17:05 → MYR 18:35WN 4367	6h 05m	98%	59%
Southwest Details →	ISP 15:05 → BWI 16:20WN 921	3h 48m Baltimore	BWI 20:08 → MYR 21:40WN 4220	6h 38m	97%	52%
Tight connection: often missed
Southwest Details →	ISP 17:50 → BWI 19:05WN 2145	1h 03m Baltimore	BWI 20:08 → MYR 21:40WN 4220	3h 53m	66%	34%

Same layover, different day-part

How often the first flight arrives too late to connect (45 min minimum), for one-ticket layovers of 45–80 minutes.

Morning

BWI · 1h 05m · leaves 06:00 7%

Afternoon and evening

BWI · 1h 03m · leaves 17:50 34%

Delays build through the day, so an afternoon first leg eats the layover. A short connection is fine early in the morning and a gamble later on.

Mixing airlines

One ticketMiss it and the airline rebooks you; bags go through. 45 min is enough.

Separate ticketsMiss it and you buy a new ticket. Re-check bags, clear security again: we require 90 min.

Regional partners count as the airline that sells them: SkyWest flying Delta Connection is one Delta ticket.

How these are worked out. Makes the connection: share of the last year’s flights where the first flight arrived with at least 45 minutes to spare (90 on separate tickets). Arrives on time: first flight not cancelled × connection made × second flight not cancelled and arriving within 15 minutes. Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON