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 1% of the time at 7 am and 23% of the time at 10 pm.

Nonstops


United	ORD	COS	3h 06m	74%	2.4%	637	Flying now
American	ORD	COS	2h 59m	70%	2.2%	364	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

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


United Details →	ORD 05:30 → IAH 08:18UA 2310	1h 38m Houston	IAH 09:56 → COS 11:25UA 6122 · flown by Mesa	6h 55m	99%	85%
United Details →	ORD 05:00 → DEN 06:42UA 2666	1h 03m Denver	DEN 07:45 → COS 08:41UA 5246 · flown by SkyWest	4h 41m	99%	83%
American Details →	ORD 05:00 → DFW 07:30AA 760	3h 58m Dallas-Fort Worth	DFW 11:28 → COS 12:37AA 6390 · flown by SkyWest	8h 37m	99%	83%
United Details →	ORD 06:00 → DEN 07:42UA 2806	2h 03m Denver	DEN 09:45 → COS 10:46UA 5306 · flown by SkyWest	5h 46m	100%	80%
Delta Details →	ORD 05:30 → ATL 08:33DL 1264	2h 57m Atlanta	ATL 11:30 → COS 12:35DL 2427	8h 05m	98%	79%
United Details →	ORD 14:33 → DEN 16:31UA 2803	3h 19m Denver	DEN 19:50 → COS 20:46UA 5669 · flown by SkyWest	7h 13m	93%	78%
United Details →	ORD 14:15 → IAH 17:20UA 2451	2h 32m Houston	IAH 19:52 → COS 21:29UA 6126 · flown by Mesa	8h 14m	93%	77%
United Details →	ORD 18:17 → DEN 20:22UA 1974	2h 47m Denver	DEN 23:09 → COS 23:59UA 4745 · flown by SkyWest	6h 42m	92%	77%
Tight connection: often missed
American Details →	ORD 11:59 → DFW 14:32AA 3264	1h 05m Dallas-Fort Worth	DFW 15:37 → COS 16:43AA 4956 · flown by SkyWest	5h 44m	70%	46%
American Details →	ORD 13:25 → DFW 15:59AA 1120	1h 28m Dallas-Fort Worth	DFW 17:27 → COS 18:34AA 6267 · flown by SkyWest	6h 09m	65%	41%
United Details →	ORD 18:17 → DEN 20:22UA 1974	48m Denver	DEN 21:10 → COS 22:06UA 4650 · flown by SkyWest	4h 49m	47%	34%

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 03m · leaves 05:00 1%

MSP · 1h 01m · leaves 06:30 14%

Afternoon and evening

DEN · 48m · leaves 18:17 53%

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 2616 ORD 10:05 → SLC Delta DL 4449 SLC 15:55 → COS Connection details →	3h 20m	8h 35m	99%	91%
American AA 4426 ORD 13:29 → IAH United UA 6126 IAH 19:52 → COS Connection details →	3h 25m	9h 00m	95%	76%
American AA 1744 ORD 10:00 → DEN United UA 5546 DEN 15:35 → COS Connection details →	3h 51m	7h 32m	97%	75%

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