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

Take the nonstop: Delta SLC → GJT (1h 05m) reaches Grand Junction on time 95% of the time; the most reliable connection, United via Denver (3h 44m), 80%.

Nonstops (seasonal or thin)


Delta	SLC	GJT	1h 05m	95%	0.0%	583	Flying now

Best connections, any airlines

Most reliable Quickest (80%+ on time)

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


Southwest + Americantwo ticketsDetails →	SLC 06:15 → PHX 06:55WN 3751	1h 53m Phoenix	PHX 08:48 → GJT 11:31AA 4995 · flown by SkyWest	5h 16m	94%	87%
United Details →	SLC 05:15 → DEN 06:54UA 5683 · flown by SkyWest	2h 41m Denver	DEN 09:35 → GJT 10:44UA 4704 · flown by SkyWest	5h 29m	99%	85%
Southwest + Unitedtwo ticketsDetails →	SLC 07:45 → DEN 09:15WN 3738	2h 09m Denver	DEN 11:24 → GJT 12:31UA 1714	4h 46m	98%	85%
Frontier + Unitedtwo ticketsDetails →	SLC 08:16 → DEN 10:01F9 3862	3h 24m Denver	DEN 13:25 → GJT 14:40UA 5488 · flown by SkyWest	6h 24m	98%	82%
Delta + Americantwo ticketsDetails →	SLC 17:25 → PHX 18:07DL 1451	3h 41m Phoenix	PHX 21:48 → GJT 00:16 +1AA 6318 · flown by SkyWest	6h 51m	100%	81%
Frontier + Unitedtwo ticketsDetails →	SLC 15:41 → DEN 17:21F9 3982	3h 34m Denver	DEN 20:55 → GJT 22:11UA 5240 · flown by SkyWest	6h 30m	97%	75%
Southwest + Americantwo ticketsDetails →	SLC 11:35 → PHX 12:15WN 403	3h 38m Phoenix	PHX 15:53 → GJT 18:23AA 4994 · flown by SkyWest	6h 48m	100%	72%
Southwest + Unitedtwo ticketsDetails →	SLC 12:20 → DEN 13:50WN 1478	2h 30m Denver	DEN 16:20 → GJT 17:33UA 4770 · flown by SkyWest	5h 13m	100%	70%
Tight connection: often missed
American Details →	SLC 16:42 → DFW 20:30AA 2594	50m Dallas-Fort Worth	DFW 21:20 → GJT 22:51AA 6442 · flown by SkyWest	6h 09m	25%	16%

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

DEN · 53m · leaves 07:00 6%

PHX · 51m · leaves 07:13 15%

Afternoon and evening

DEN · 1h 15m · leaves 17:57 23%

DFW · 50m · leaves 16:42 75%

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.

The table above includes two-ticket connections (marked “two tickets”), held to the 90-minute minimum. One ticket only →

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