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 9 am and 23% of the time at 3 pm.

Nonstops


Southwest	CMH	BNA	1h 25m	84%	0.7%	1,040	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach Nashville on time. Total trip = scheduled departure to arrival, layover included (Nashville is 1 h behind Columbus). Layovers up to 4 hours. Pick a connection for the details.


United Details →	CMH 05:30 → ORD 06:09UA 3524 · flown by Republic	2h 31m Chicago	ORD 08:40 → BNA 10:34UA 5304 · flown by SkyWest	6h 04m	98%	88%
Delta Details →	CMH 08:04 → DTW 09:15DL 5812 · flown by Republic	3h 10m Detroit	DTW 12:25 → BNA 13:06DL 1557	6h 02m	100%	86%
American Details →	CMH 05:30 → ORD 06:00AA 4487 · flown by Republic	2h 29m Chicago	ORD 08:29 → BNA 10:11AA 3439 · flown by Envoy	5h 42m	100%	86%
Delta Details →	CMH 07:05 → ATL 08:42DL 2909	2h 39m Atlanta	ATL 11:21 → BNA 11:33DL 2867	5h 28m	98%	85%
Southwest Details →	CMH 06:05 → FLL 08:35WN 426	1h 00m Fort Lauderdale	FLL 09:35 → BNA 10:50WN 4638	5h 45m	96%	85%
Southwest Details →	CMH 05:45 → BWI 07:05WN 4376	2h 40m Baltimore	BWI 09:45 → BNA 10:35WN 487	5h 50m	100%	84%
Delta Details →	CMH 06:00 → ATL 07:36DL 2469	2h 16m Atlanta	ATL 09:52 → BNA 10:06DL 1155	5h 05m	97%	83%
United Details →	CMH 09:00 → ORD 09:36UA 466	2h 53m Chicago	ORD 12:29 → BNA 14:14UA 3634 · flown by Republic	6h 14m	98%	82%
Tight connection: often missed
American Details →	CMH 08:29 → ORD 09:10AA 3572 · flown by Envoy	50m Chicago	ORD 10:00 → BNA 11:36AA 1650	4h 08m	69%	52%
Delta Details →	CMH 14:25 → LGA 16:14DL 4649 · flown by Endeavor	1h 13m New York	LGA 17:27 → BNA 19:19DL 5002 · flown by Endeavor	5h 56m	71%	33%
American Details →	CMH 17:19 → LGA 19:12AA 4617 · flown by Republic	47m New York	LGA 19:59 → BNA 21:43AA 4392 · flown by Republic	5h 24m	59%	30%

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

TPA · 1h 15m · leaves 07:35 2%

ATL · 1h 10m · leaves 07:05 5%

PHL · 1h 20m · leaves 08:05 6%

Afternoon and evening

DCA · 1h 01m · leaves 19:29 36%

LGA · 47m · leaves 17:19 41%

BWI · 55m · leaves 17:35 49%

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.


American AA 4487 CMH 05:30 → ORD United UA 5304 ORD 08:40 → BNA Connection details →	2h 40m	6h 04m	100%	91%
United UA 3524 CMH 05:30 → ORD American AA 3439 ORD 08:29 → BNA Connection details →	2h 20m	5h 42m	98%	83%
Delta DL 5663 CMH 06:00 → BOS JetBlue B6 1807 BOS 10:28 → BNA Connection details →	2h 15m	7h 17m	98%	82%

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