tailodds FORECAST
Tickets
Any day
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 2% of the time at 6 am and 1 time in 3 at 6 pm.

Nonstops (seasonal or thin)

Nonstop details →
United CHS DEN 4h 05m 75% 0.7% 439 Flying now
Southwest CHS DEN 3h 55m 62% 0.5% 204 Flying now

Best connections, any airlines

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 Charleston). Layovers up to 4 hours. Pick a connection for the details.
UnitedDetails → CHS 06:00 → ORD 07:33UA 2333 3h 21m Chicago ORD 10:54 → DEN 12:45UA 581 8h 45m 98% 94%
Southwest + Unitedtwo ticketsDetails → CHS 06:30 → BNA 06:55WN 1141 3h 31m Nashville BNA 10:26 → DEN 12:23UA 502 7h 53m 100% 92%
DeltaDetails → CHS 05:10 → ATL 06:21DL 3055 1h 04m Atlanta ATL 07:25 → DEN 08:35DL 2235 5h 25m 98% 89%
AmericanDetails → CHS 05:00 → CLT 06:01AA 3298 1h 38m Charlotte CLT 07:39 → DEN 09:10AA 1754 6h 10m 98% 89%
DeltaDetails → CHS 08:20 → ATL 09:34DL 789 3h 16m Atlanta ATL 12:50 → DEN 14:04DL 957 7h 44m 100% 88%
AmericanDetails → CHS 06:00 → MIA 07:43AA 1287 1h 14m Miami MIA 08:57 → DEN 11:19AA 1739 7h 19m 94% 88%
UnitedDetails → CHS 17:00 → IAH 18:55UA 6329 · flown by Mesa 3h 15m Houston IAH 22:10 → DEN 23:57UA 1066 8h 57m 98% 87%
Delta + Unitedtwo ticketsDetails → CHS 06:15 → ATL 07:25DL 2124 3h 45m Atlanta ATL 11:10 → DEN 12:28UA 1327 8h 13m 97% 87%
Tight connection: often missed
DeltaDetails → CHS 15:45 → LGA 17:50DL 1404 1h 09m New York LGA 18:59 → DEN 21:33DL 710 7h 47m 68% 38%
SouthwestDetails → CHS 16:45 → STL 17:50WN 493 50m St Louis STL 18:40 → DEN 20:00WN 3913 5h 15m 54% 26%
AmericanDetails → CHS 15:42 → DFW 17:39AA 1656 51m Dallas-Fort Worth DFW 18:30 → DEN 19:41AA 2235 5h 59m 46% 20%

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
ATL · 1h 04m · leaves 05:10 2%
MDW · 1h 10m · leaves 07:35 4%
BNA · 1h 00m · leaves 06:30 4%
Afternoon and evening
LGA · 1h 09m · leaves 15:45 32%
STL · 50m · leaves 16:45 46%
DFW · 51m · leaves 15:42 54%

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