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 8% of the time at 9 am and 2 times in 5 at 7 pm.

Nonstops


Delta	ATL	GRR	1h 56m	84%	1.4%	1,386	Flying now
Frontier	ATL	GRR	1h 58m	71%	2.4%	42	Not 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. Layovers up to 4 hours. Pick a connection for the details.


Delta Details →	ATL 13:47 → DTW 15:43DL 1031	2h 17m Detroit	DTW 18:00 → GRR 19:01DL 5800 · flown by Republic	5h 14m	98%	90%
American Details →	ATL 07:25 → ORD 08:45AA 616	3h 11m Chicago	ORD 11:56 → GRR 14:05AA 3553 · flown by Envoy	6h 40m	95%	84%
Frontier Details →	ATL 05:05 → MCO 06:40F9 1242	2h 35m Orlando	MCO 09:15 → GRR 12:08F9 1369	7h 03m	92%	83%
United Details →	ATL 07:30 → DEN 08:51UA 340	1h 07m Denver	DEN 09:58 → GRR 14:35UA 2637	7h 05m	93%	81%
Delta Details →	ATL 06:00 → LGA 08:11DL 404	1h 14m New York	LGA 09:25 → GRR 11:40DL 5661 · flown by Republic	5h 42m	96%	80%
American Details →	ATL 05:00 → CLT 06:25AA 5507 · flown by PSA	2h 34m Charlotte	CLT 08:59 → GRR 10:52AA 1890	5h 52m	95%	79%
Delta Details →	ATL 12:21 → MSP 13:57DL 2901	2h 05m Minneapolis	MSP 16:02 → GRR 18:28DL 1555	6h 07m	98%	79%
American Details →	ATL 06:01 → DFW 07:33AA 2770	1h 19m Dallas-Fort Worth	DFW 08:52 → GRR 12:22AA 3167	6h 22m	96%	78%
Tight connection: often missed
Delta Details →	ATL 17:10 → DTW 19:11DL 2067	49m Detroit	DTW 20:00 → GRR 21:00DL 4081 · flown by SkyWest	3h 50m	60%	48%
American Details →	ATL 18:45 → CLT 20:23AA 5040 · flown by PSA	2h 05m Charlotte	CLT 22:28 → GRR 00:21 +1AA 3113	5h 35m	71%	44%
Southwest Details →	ATL 19:35 → MDW 20:30WN 233	58m Chicago	MDW 21:28 → GRR 23:25WN 4113	3h 51m	29%	14%

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 14m · leaves 06:00 4%

DFW · 1h 19m · leaves 06:01 4%

DEN · 1h 07m · leaves 07:30 7%

Afternoon and evening

ORD · 1h 19m · leaves 19:43 41%

BWI · 50m · leaves 19:50 52%

MDW · 58m · leaves 19:35 71%

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 1178 ATL 07:25 → ORD American AA 3553 ORD 11:56 → GRR Connection details →	3h 21m	6h 40m	100%	87%
Frontier F9 1441 ATL 06:35 → ORD United UA 1297 ORD 10:37 → GRR Connection details →	2h 42m	6h 15m	89%	78%
Frontier F9 1004 ATL 05:05 → PHL American AA 5614 PHL 10:45 → GRR Connection details →	3h 26m	7h 50m	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