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

No clear winner: Delta’s MSO → SLC flights land within a few points of 92% on time whatever the hour.

Nonstops


Delta	MSO	SLC	1h 46m	92%	0.9%	1,059	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

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


United Details →	MSO 07:15 → LAX 09:17UA 4741 · flown by SkyWest	3h 38m Los Angeles	LAX 12:55 → SLC 15:48UA 5371 · flown by SkyWest	8h 33m	100%	89%
Delta Details →	MSO 05:55 → MSP 09:30DL 2907	2h 59m Minneapolis	MSP 12:29 → SLC 14:22DL 2651	8h 27m	99%	89%
Alaska Details →	MSO 07:00 → SEA 07:32AS 2153 · flown by Horizon	1h 16m Seattle	SEA 08:48 → SLC 11:55AS 360	4h 55m	100%	88%
United Details →	MSO 06:05 → DEN 08:11UA 1026	3h 29m Denver	DEN 11:40 → SLC 13:13UA 1963	7h 08m	100%	79%
United Details →	MSO 10:36 → DEN 12:48UA 5484 · flown by SkyWest	52m Denver	DEN 13:40 → SLC 15:13UA 1840	4h 37m	91%	77%
Delta Details →	MSO 15:29 → MSP 19:09DL 362	1h 11m Minneapolis	MSP 20:20 → SLC 22:15DL 1051	6h 46m	88%	74%
Alaska Details →	MSO 14:04 → SAN 15:56AS 2169 · flown by Horizon	2h 53m San Diego	SAN 18:49 → SLC 21:57AS 3017 · flown by SkyWest	7h 53m	100%	73%
Alaska Details →	MSO 17:00 → SEA 17:41AS 697	1h 26m Seattle	SEA 19:07 → SLC 22:14AS 3298 · flown by SkyWest	5h 14m	90%	71%

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

MSP · 1h 11m · leaves 15:29 12%

DEN · 1h 15m · leaves 14:25 15%

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 4741 MSO 07:15 → LAX Delta DL 1194 LAX 11:41 → SLC Connection details →	2h 24m	7h 19m	100%	90%
Alaska AS 2153 MSO 07:00 → SEA Delta DL 1016 SEA 09:30 → SLC Connection details →	1h 58m	5h 38m	100%	90%
Alaska AS 561 MSO 07:03 → SEA Delta DL 1265 SEA 11:05 → SLC Connection details →	3h 20m	7h 08m	100%	85%

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