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

Connect in the morning. The same 80-minute layover misses 2% of the time at 8 am and 15% of the time at 5 pm.

Nonstops (seasonal or thin)


United	SUN	LAX	2h 34m	91%	0.3%	313	Flying now
Delta	SUN	LAX	–	73%few flights	0.0%	15	Not 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 (Los Angeles is 1 h behind Hailey). Layovers up to 4 hours. Pick a connection for the details.


Delta Details →	SUN 07:20 → SLC 08:25DL 4037 · flown by SkyWest	1h 15m Salt Lake City	SLC 09:40 → LAX 10:42DL 1095	4h 22m	98%	90%
Alaska Details →	SUN 10:20 → SEA 11:14AS 2325 · flown by Horizon	1h 24m Seattle	SEA 12:38 → LAX 15:25AS 502	6h 05m	96%	85%
United Details →	SUN 07:00 → DEN 08:58UA 5712 · flown by SkyWest	1h 04m Denver	DEN 10:02 → LAX 11:34UA 405	5h 34m	93%	85%
Delta Details →	SUN 13:10 → SLC 14:24DL 4019 · flown by SkyWest	2h 46m Salt Lake City	SLC 17:10 → LAX 18:10DL 1161	6h 00m	98%	82%
United Details →	SUN 07:40 → SFO 08:59UA 5423 · flown by SkyWest	3h 16m San Francisco	SFO 12:15 → LAX 13:55UA 1506	7h 15m	96%	68%
United Details →	SUN 14:38 → DEN 16:45UA 5268 · flown by SkyWest	1h 20m Denver	DEN 18:05 → LAX 19:40UA 2240	6h 02m	85%	65%
Tight connection: often missed
United Details →	SUN 07:40 → SFO 08:59UA 5423 · flown by SkyWest	1h 20m San Francisco	SFO 10:19 → LAX 11:57UA 2367	5h 17m	60%	47%

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 15m · leaves 07:20 2%

DEN · 1h 04m · leaves 07:00 7%

SFO · 1h 20m · leaves 07:40 40%

Afternoon and evening

DEN · 1h 20m · leaves 14:38 15%

SLC · 46m · leaves 15:15 21%

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 4037 SUN 07:20 → SLC Southwest WN 3746 SLC 11:20 → LAX Connection details →	2h 55m	5h 55m	99%	92%
Delta DL 4019 SUN 13:10 → SLC United UA 5456 SLC 16:42 → LAX Connection details →	2h 18m	5h 43m	95%	91%
United UA 5712 SUN 07:00 → DEN American AA 4957 DEN 11:44 → LAX Connection details →	2h 46m	7h 19m	96%	76%

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