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 6% of the time at 12 pm and 1 time in 5 at 4 pm.

Nonstops


United	CLT	DEN	3h 50m	86%	1.4%	694	Flying now
Frontier	CLT	DEN	3h 54m	79%	1.4%	220	Flying now
American	CLT	DEN	3h 45m	76%	1.1%	1,718	Flying now
Southwest	CLT	DEN	3h 45m	72%	1.9%	158	Not flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach Denver on time. Total trip = scheduled departure to arrival, layover included (Denver is 2 h behind Charlotte). Layovers up to 4 hours. Pick a connection for the details.


American Details →	CLT 05:15 → MIA 07:20AA 1165	1h 37m Miami	MIA 08:57 → DEN 11:19AA 1739	8h 04m	98%	93%
United Details →	CLT 08:05 → ORD 09:22UA 2771	1h 32m Chicago	ORD 10:54 → DEN 12:45UA 581	6h 40m	92%	89%
United Details →	CLT 17:00 → IAH 18:58UA 4020 · flown by Mesa	3h 12m Houston	IAH 22:10 → DEN 23:57UA 1066	8h 57m	99%	88%
Delta Details →	CLT 08:01 → ATL 09:16DL 3156	3h 34m Atlanta	ATL 12:50 → DEN 14:04DL 957	8h 03m	100%	88%
United Details →	CLT 06:00 → IAD 07:29UA 6279 · flown by Mesa	2h 44m Dulles	IAD 10:13 → DEN 12:05UA 1865	8h 05m	95%	87%
Delta Details →	CLT 06:59 → ATL 08:13DL 2275	3h 32m Atlanta	ATL 11:45 → DEN 12:59DL 706	8h 00m	100%	86%
United Details →	CLT 07:09 → IAH 08:50UA 575	3h 43m Houston	IAH 12:33 → DEN 14:17UA 2168	9h 08m	98%	84%
United Details →	CLT 07:00 → EWR 08:59UA 798	2h 56m Newark	EWR 11:55 → DEN 14:13UA 1999	9h 13m	99%	83%
Tight connection: often missed
American Details →	CLT 13:15 → PHX 14:35AA 2902	49m Phoenix	PHX 15:24 → DEN 18:16AA 1638	7h 01m	71%	50%
Delta Details →	CLT 16:56 → ATL 18:15DL 3032	1h 10m Atlanta	ATL 19:25 → DEN 20:44DL 746	5h 48m	70%	48%
United Details →	CLT 17:51 → EWR 19:59UA 3468 · flown by Republic	1h 00m Newark	EWR 20:59 → DEN 23:28UA 1792	7h 37m	68%	42%

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

MDW · 1h 15m · leaves 07:35 2%

DTW · 1h 12m · leaves 09:42 6%

DFW · 1h 00m · leaves 05:45 9%

Afternoon and evening

EWR · 1h 00m · leaves 17:51 32%

MDW · 1h 15m · leaves 19:05 41%

DFW · 1h 01m · leaves 19:52 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 2084 CLT 07:28 → MCO United UA 1520 MCO 12:50 → DEN Connection details →	3h 37m	9h 23m	99%	92%
Delta DL 2275 CLT 06:59 → ATL United UA 1327 ATL 11:10 → DEN Connection details →	2h 57m	7h 29m	100%	91%
American AA 3320 CLT 07:38 → TPA United UA 645 TPA 12:45 → DEN Connection details →	3h 23m	9h 09m	99%	90%

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