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 75-minute layover misses 3% of the time at 10 am and 1 time in 4 at 5 pm.

Nonstops


United	SGF	DEN	2h 17m	81%	0.6%	1,301	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 1 h behind Springfield). Layovers up to 4 hours. Pick a connection for the details.


Delta Details →	SGF 06:00 → ATL 08:54DL 1680	3h 56m Atlanta	ATL 12:50 → DEN 14:04DL 957	9h 04m	100%	86%
United Details →	SGF 17:08 → IAH 19:10UA 4996 · flown by CommuteAir	3h 00m Houston	IAH 22:10 → DEN 23:57UA 1066	7h 49m	96%	84%
United Details →	SGF 07:45 → ORD 09:40UA 4421 · flown by GoJet	1h 14m Chicago	ORD 10:54 → DEN 12:45UA 581	6h 00m	88%	82%
United Details →	SGF 06:15 → IAH 08:17UA 4852 · flown by CommuteAir	2h 14m Houston	IAH 10:31 → DEN 12:07UA 1409	6h 52m	97%	79%
American Details →	SGF 06:53 → CLT 10:15AA 4083 · flown by Envoy	1h 15m Charlotte	CLT 11:30 → DEN 12:56AA 1758	7h 03m	97%	77%
Delta Details →	SGF 15:30 → ATL 18:25DL 4854 · flown by Endeavor	2h 29m Atlanta	ATL 20:54 → DEN 22:12DL 493	7h 42m	95%	74%
American Details →	SGF 05:01 → DFW 06:38AA 3842 · flown by Envoy	1h 57m Dallas-Fort Worth	DFW 08:35 → DEN 09:42AA 1756	5h 41m	98%	73%
American Details →	SGF 08:14 → DFW 09:55AA 3624 · flown by Envoy	3h 22m Dallas-Fort Worth	DFW 13:17 → DEN 14:21AA 420	7h 07m	97%	71%
Tight connection: often missed
United Details →	SGF 15:07 → ORD 17:02UA 4466 · flown by GoJet	1h 15m Chicago	ORD 18:17 → DEN 20:22UA 1974	6h 15m	74%	40%
American Details →	SGF 15:56 → DFW 17:35AA 3795 · flown by Envoy	55m Dallas-Fort Worth	DFW 18:30 → DEN 19:41AA 2235	4h 45m	72%	32%
American Details →	SGF 19:53 → ORD 21:45AA 3626 · flown by Envoy	49m Chicago	ORD 22:34 → DEN 00:17 +1AA 1387	5h 23m	52%	25%

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

CLT · 1h 15m · leaves 06:53 3%

IAH · 1h 15m · leaves 06:15 8%

ATL · 56m · leaves 06:00 11%

Afternoon and evening

IAH · 1h 09m · leaves 15:05 33%

ATL · 1h 00m · leaves 15:30 48%

ORD · 49m · leaves 19:53 48%

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.


Delta DL 1680 SGF 06:00 → ATL United UA 1327 ATL 11:10 → DEN Connection details →	2h 16m	7h 28m	100%	87%
American AA 3842 SGF 05:01 → DFW United UA 644 DFW 08:45 → DEN Connection details →	2h 07m	6h 05m	96%	85%
American AA 4129 SGF 07:12 → ORD United UA 1150 ORD 12:56 → DEN Connection details →	3h 51m	8h 34m	97%	83%

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