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

No clear winner: Southwest’s BWI → LGB flights land within a few points of 73% on time whatever the hour.

Nonstops (none in the current schedule)


Southwest	BWI	LGB	5h 40m	73%	0.0%	128	Not flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach Long Beach on time. Total trip = scheduled departure to arrival, layover included (Long Beach is 3 h behind Baltimore). Layovers up to 4 hours. Pick a connection for the details.


Southwest Details →	BWI 06:25 → LAS 08:25WN 973	3h 10m Las Vegas	LAS 11:35 → LGB 12:45WN 2260	9h 20m	100%	94%
Southwest Details →	BWI 07:00 → PHX 08:50WN 1049	2h 50m Phoenix	PHX 11:40 → LGB 12:55WN 2505	8h 55m	100%	84%
Southwest Details →	BWI 12:25 → SMF 15:00WN 4476	1h 15m Sacramento	SMF 16:15 → LGB 17:40WN 2485	8h 15m	91%	83%
Delta Details →	BWI 07:10 → SLC 09:49DL 1176	1h 16m Salt Lake City	SLC 11:05 → LGB 12:02DL 1116	7h 52m	91%	79%
Southwest Details →	BWI 09:35 → MDW 10:35WN 4217	2h 40m Chicago	MDW 13:15 → LGB 15:30WN 4413	8h 55m	100%	66%
Southwest Details →	BWI 15:48 → LAS 17:48WN 1102	2h 12m Las Vegas	LAS 20:00 → LGB 21:10WN 2031	8h 22m	90%	61%
Southwest Details →	BWI 12:50 → DEN 14:35WN 937	3h 40m Denver	DEN 18:15 → LGB 20:00WN 1037	10h 05m	100%	56%
Southwest Details →	BWI 09:40 → DEN 11:25WN 275	2h 40m Denver	DEN 14:05 → LGB 15:35WN 4259	8h 50m	100%	51%
Tight connection: often missed
Southwest Details →	BWI 15:10 → DEN 17:05WN 938	1h 10m Denver	DEN 18:15 → LGB 20:00WN 1037	7h 45m	70%	39%
Southwest Details →	BWI 13:05 → BNA 14:00WN 3245	48m Nashville	BNA 14:48 → LGB 17:02WN 1427	6h 58m	42%	19%

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

SLC · 1h 16m · leaves 07:10 9%

Afternoon and evening

DEN · 1h 10m · leaves 15:10 30%

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.


United UA 2412 BWI 08:30 → DEN Southwest WN 4259 DEN 14:05 → LGB Connection details →	3h 40m	10h 00m	99%	50%

Rank all connections, any airlines →

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