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 90-minute layover misses 3% of the time at 9 am and 27% of the time at 8 pm.

Nonstops


United	ORD	GRR	1h 10m	71%	2.2%	2,736	Flying now
American	ORD	GRR	1h 07m	70%	3.9%	1,933	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

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


United Details →	ORD 07:05 → DEN 08:55UA 1217	1h 03m Denver	DEN 09:58 → GRR 14:35UA 2637	6h 30m	93%	83%
Delta Details →	ORD 09:45 → ATL 12:51DL 1178	2h 28m Atlanta	ATL 15:19 → GRR 17:14DL 2058	6h 30m	99%	81%
Delta Details →	ORD 14:07 → DTW 16:40DL 1716	1h 20m Detroit	DTW 18:00 → GRR 19:01DL 5800 · flown by Republic	3h 54m	86%	79%
Delta Details →	ORD 05:30 → ATL 08:33DL 1264	1h 17m Atlanta	ATL 09:50 → GRR 11:46DL 2547	5h 16m	93%	78%
Delta Details →	ORD 13:46 → ATL 16:54DL 2894	3h 00m Atlanta	ATL 19:54 → GRR 21:51DL 2210	7h 05m	97%	77%
American Details →	ORD 05:00 → DFW 07:30AA 760	1h 22m Dallas-Fort Worth	DFW 08:52 → GRR 12:22AA 3167	6h 23m	95%	77%
American Details →	ORD 06:00 → LGA 09:16AA 327	1h 19m New York	LGA 10:35 → GRR 12:52AA 4418 · flown by Republic	5h 51m	97%	75%
American Details →	ORD 05:00 → PHL 08:05AA 2970	2h 40m Philadelphia	PHL 10:45 → GRR 12:53AA 5614 · flown by PSA	6h 55m	95%	74%
Tight connection: often missed
Delta Details →	ORD 19:17 → DTW 21:52DL 1084	1h 03m Detroit	DTW 22:55 → GRR 23:57DL 4880 · flown by Endeavor	3h 40m	70%	50%
Delta Details →	ORD 10:35 → LGA 13:56DL 2917	49m New York	LGA 14:45 → GRR 17:07DL 5104 · flown by Endeavor	5h 32m	68%	42%
American Details →	ORD 15:50 → DFW 18:28AA 2754	1h 12m Dallas-Fort Worth	DFW 19:40 → GRR 23:09AA 981	6h 19m	70%	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

LGA · 1h 19m · leaves 06:00 3%

DEN · 1h 03m · leaves 07:05 7%

ATL · 1h 17m · leaves 05:30 7%

Afternoon and evening

ATL · 1h 18m · leaves 15:22 17%

DTW · 1h 03m · leaves 19:17 30%

DFW · 1h 12m · leaves 15:50 30%

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 3719 ORD 11:45 → MSP Delta DL 1555 MSP 16:02 → GRR Connection details →	2h 35m	5h 43m	100%	81%
United UA 530 ORD 09:07 → ATL Delta DL 2058 ATL 15:19 → GRR Connection details →	2h 57m	7h 08m	97%	79%
United UA 356 ORD 13:55 → ATL Delta DL 2210 ATL 19:54 → GRR Connection details →	2h 44m	6h 56m	94%	74%

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