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

No clear winner: Alaska’s STS → LAX flights land within a few points of 84% on time whatever the hour.

Nonstops (seasonal or thin)


Alaska	STS	LAX	1h 39m	84%	3.6%	859	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

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


Alaska Details →	STS 07:00 → PDX 08:47AS 3417 · flown by SkyWest	1h 58m Portland	PDX 10:45 → LAX 13:20AS 695	6h 20m	97%	85%
Alaska Details →	STS 12:05 → PDX 13:46AS 3009 · flown by SkyWest	53m Portland	PDX 14:39 → LAX 17:06AS 713	5h 01m	92%	79%
Alaska Details →	STS 12:52 → SEA 14:55AS 1322	2h 15m Seattle	SEA 17:10 → LAX 19:55AS 492	7h 03m	99%	77%
American Details →	STS 16:12 → PHX 18:23AA 6459 · flown by SkyWest	2h 15m Phoenix	PHX 20:38 → LAX 22:07AA 3204	5h 55m	92%	62%
American Details →	STS 13:00 → PHX 15:09AA 3514 · flown by Envoy	1h 39m Phoenix	PHX 16:48 → LAX 18:16AA 2930	5h 15m	90%	60%
Southwest Details →	STS 15:55 → LAS 17:40WN 3992	3h 15m Las Vegas	LAS 20:55 → LAX 22:10WN 2256	6h 15m	98%	32%
Tight connection: often missed
Southwest Details →	STS 15:55 → LAS 17:40WN 3992	50m Las Vegas	LAS 18:30 → LAX 19:45WN 2255	3h 50m	57%	43%
Alaska Details →	STS 19:03 → PDX 20:36AS 2331 · flown by Horizon	51m Portland	PDX 21:27 → LAX 23:56AS 1389	4h 53m	48%	38%

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.

Afternoon and evening

LAS · 50m · leaves 15:55 43%

PDX · 51m · leaves 19:03 52%

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.


American AA 3514 STS 13:00 → PHX United UA 4722 PHX 18:54 → LAX Connection details →	3h 45m	7h 31m	100%	97%
Southwest WN 4813 STS 06:00 → SAN United UA 5384 SAN 10:49 → LAX Connection details →	3h 09m	5h 58m	95%	84%
Alaska AS 3417 STS 07:00 → PDX Delta DL 2975 PDX 10:53 → LAX Connection details →	2h 06m	6h 21m	95%	83%

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