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 LAX → DAL flights land within a few points of 2 in 3 on time whatever the hour.

Nonstops


Southwest	LAX	DAL	3h 00m	66%	0.7%	1,471	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach Dallas on time. Total trip = scheduled departure to arrival, layover included (Dallas is 2 h ahead of Los Angeles). Layovers up to 4 hours. Pick a connection for the details.


Southwest Details →	LAX 05:05 → PHX 06:30WN 116	1h 45m Phoenix	PHX 08:15 → DAL 12:40WN 875	5h 35m	100%	93%
Southwest Details →	LAX 23:40 → HOU 05:00WN 2402	2h 00m Houston	HOU 07:00 → DAL 08:10 +1WN 4	6h 30m	97%	89%
Delta Details →	LAX 23:58 → ATL 07:25DL 320	2h 50m Atlanta	ATL 10:15 → DAL 11:24 +1DL 1115	9h 26m	100%	89%
Delta Details →	LAX 21:45 → ATL 05:01DL 783	3h 11m Atlanta	ATL 08:12 → DAL 09:24 +1DL 441	9h 41m	99%	86%
Southwest Details →	LAX 05:35 → LAS 06:50WN 2403	3h 48m Las Vegas	LAS 10:38 → DAL 15:25WN 2218	7h 51m	100%	82%
Southwest Details →	LAX 05:05 → BNA 11:10WN 4492	1h 10m Nashville	BNA 12:20 → DAL 14:15WN 5046	7h 10m	95%	80%
Southwest Details →	LAX 22:05 → MCO 06:00WN 2409	1h 50m Orlando	MCO 07:50 → DAL 09:25 +1WN 738	9h 20m	100%	79%
Southwest Details →	LAX 08:58 → ABQ 09:50WN 4943	3h 15m Albuquerque	ABQ 13:05 → DAL 15:50WN 106	4h 52m	100%	78%
Tight connection: often missed
Delta Details →	LAX 23:58 → ATL 07:25DL 320	47m Atlanta	ATL 08:12 → DAL 09:24 +1DL 441	7h 28m	54%	47%
Southwest Details →	LAX 14:45 → DEN 18:05WN 2392	1h 00m Denver	DEN 19:05 → DAL 22:05WN 1522	5h 20m	39%	10%
Southwest Details →	LAX 16:20 → DEN 19:40WN 278	50m Denver	DEN 20:30 → DAL 23:30WN 1523	5h 10m	19%	8%

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

MDW · 1h 10m · leaves 05:10 2%

LAS · 1h 00m · leaves 05:35 4%

BNA · 1h 10m · leaves 05:05 5%

Afternoon and evening

ATL · 57m · leaves 08:10 22%

HOU · 55m · leaves 14:10 78%

DEN · 50m · leaves 16:20 81%

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.


Delta DL 2253 LAX 07:15 → LAS Southwest WN 2218 LAS 10:38 → DAL Connection details →	2h 08m	6h 11m	98%	79%
Delta DL 899 LAX 22:45 → ATL Southwest WN 4394 ATL 08:55 → DAL Connection details →	2h 48m	9h 20m	95%	74%
American AA 2027 LAX 06:19 → PHX Southwest WN 3255 PHX 10:55 → DAL Connection details →	3h 04m	7h 01m	97%	71%

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