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 OKC → SLC flights land within a few points of 93% on time whatever the hour.

Nonstops (seasonal or thin)


Delta	OKC	SLC	2h 43m	93%	0.6%	720	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 (Salt Lake City is 1 h behind Oklahoma City). Layovers up to 4 hours. Pick a connection for the details.


Delta Details →	OKC 07:15 → MSP 09:29DL 3844 · flown by SkyWest	3h 00m Minneapolis	MSP 12:29 → SLC 14:22DL 2651	8h 07m	99%	88%
United Details →	OKC 06:05 → DEN 06:58UA 4751 · flown by SkyWest	1h 02m Denver	DEN 08:00 → SLC 09:37UA 497	4h 32m	95%	85%
Southwest Details →	OKC 06:05 → DEN 06:45WN 3111	1h 00m Denver	DEN 07:45 → SLC 09:20WN 452	4h 15m	95%	84%
Delta Details →	OKC 05:49 → ATL 08:59DL 1184	1h 06m Atlanta	ATL 10:05 → SLC 12:10DL 387	7h 21m	94%	83%
Delta Details →	OKC 07:00 → ATL 10:10DL 1158	1h 44m Atlanta	ATL 11:54 → SLC 13:50DL 663	7h 50m	97%	82%
United Details →	OKC 09:15 → DEN 10:01UA 1424	3h 39m Denver	DEN 13:40 → SLC 15:13UA 1840	6h 58m	100%	82%
Southwest Details →	OKC 05:00 → MDW 06:55WN 3121	3h 07m Chicago	MDW 10:02 → SLC 12:28WN 2951	8h 27m	100%	80%
United Details →	OKC 09:39 → IAH 11:15UA 6255 · flown by Mesa	3h 10m Houston	IAH 14:25 → SLC 16:40UA 6207 · flown by Mesa	8h 01m	99%	79%
Tight connection: often missed
United Details →	OKC 18:46 → DEN 20:08UA 5582 · flown by SkyWest	57m Denver	DEN 21:05 → SLC 22:44UA 5646 · flown by SkyWest	4h 58m	69%	53%
American Details →	OKC 16:38 → DFW 17:49AA 3730 · flown by Envoy	59m Dallas-Fort Worth	DFW 18:48 → SLC 20:34AA 558	4h 56m	60%	28%
Southwest Details →	OKC 19:10 → DEN 20:05WN 1188	50m Denver	DEN 20:55 → SLC 22:40WN 1737	4h 25m	39%	15%

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 · 1h 02m · leaves 06:05 5%

ATL · 1h 06m · leaves 05:49 6%

IAH · 1h 17m · leaves 07:00 12%

Afternoon and evening

DEN · 57m · leaves 18:46 31%

DFW · 59m · leaves 16:38 40%

PHX · 50m · leaves 21:45 62%

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.


Southwest WN 4201 OKC 07:05 → PHX Delta DL 1447 PHX 09:45 → SLC Connection details →	2h 20m	6h 18m	100%	93%
Southwest WN 392 OKC 06:20 → LAS Delta DL 1698 LAS 10:00 → SLC Connection details →	3h 10m	7h 07m	100%	89%
American AA 4895 OKC 07:26 → LAX Delta DL 1194 LAX 11:41 → SLC Connection details →	2h 51m	8h 08m	99%	89%

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