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 one-hour layover misses 5% of the time at 7 am and 18% of the time at 3 pm.

Nonstops (seasonal or thin)


Southwest	OKC	BNA	1h 40m	80%	0.6%	527	Flying now

Best connections, any airlines

Most reliable Quickest (80%+ on time)

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


Delta Details →	OKC 07:15 → MSP 09:29DL 3844 · flown by SkyWest	3h 26m Minneapolis	MSP 12:55 → BNA 15:00DL 2843	7h 45m	100%	87%
United Details →	OKC 06:05 → DEN 06:58UA 4751 · flown by SkyWest	1h 02m Denver	DEN 08:00 → BNA 11:42UA 605	5h 37m	95%	86%
United Details →	OKC 07:10 → ORD 09:37UA 5364 · flown by SkyWest	2h 52m Chicago	ORD 12:29 → BNA 14:14UA 3634 · flown by Republic	7h 04m	97%	84%
Delta Details →	OKC 05:49 → ATL 08:59DL 1184	2h 22m Atlanta	ATL 11:21 → BNA 11:33DL 2867	5h 44m	97%	83%
United Details →	OKC 07:00 → IAH 08:28UA 1127	3h 27m Houston	IAH 11:55 → BNA 14:02UA 1318	7h 02m	100%	78%
United Details →	OKC 05:04 → IAH 06:40UA 5453 · flown by SkyWest	1h 00m Houston	IAH 07:40 → BNA 09:47UA 2174	4h 43m	90%	78%
Southwest + Unitedtwo ticketsDetails →	OKC 06:05 → DEN 06:45WN 3111	3h 05m Denver	DEN 09:50 → BNA 13:33UA 1048	7h 28m	96%	77%
American Details →	OKC 05:01 → DFW 06:07AA 656	1h 18m Dallas-Fort Worth	DFW 07:25 → BNA 09:26AA 3397 · flown by Envoy	4h 25m	95%	76%
Tight connection: often missed
American Details →	OKC 15:08 → PHX 15:36AA 6517 · flown by SkyWest	55m Phoenix	PHX 16:31 → BNA 21:59AA 1370	6h 51m	74%	49%
Southwest Details →	OKC 15:48 → MDW 17:38WN 3123	1h 02m Chicago	MDW 18:40 → BNA 20:10WN 1073	4h 22m	60%	28%
American Details →	OKC 19:15 → DFW 20:25AA 3729 · flown by Envoy	1h 05m Dallas-Fort Worth	DFW 21:30 → BNA 23:28AA 2750	4h 13m	74%	24%

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 11m · leaves 07:00 5%

DFW · 1h 18m · leaves 05:01 5%

Afternoon and evening

DFW · 1h 05m · leaves 19:15 26%

PHX · 55m · leaves 15:08 26%

MDW · 1h 02m · leaves 15:48 40%

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