Friday, October 9 · typical odds for a Friday (too early for a weather forecast) · issued Mon 12:00 PM ET · connections flying that day

Fri, Oct 9: no forecasts for this route’s flights; their 12-month records are below.

Nonstops that day

All 1 nonstop →


UA 6134 United flown by Mesa no forecast: 12-month record	IAH 12:15	GRR 16:09	25%	6%	0.0%	75%

Best connections that day, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach Grand Rapids on time, from each leg’s forecast for the day. Total trip = scheduled departure to arrival (Grand Rapids is 1 h ahead of Houston). Layovers up to 4 hours. Pick a connection for its 12-month details.


Delta Details →	IAH 11:32 → DTW 15:20DL 1043	2h 40m Detroit	DTW 18:00 → GRR 19:01DL 5800 · flown by Republic	6h 29m	99%	90%
United Details →	IAH 05:15 → DEN 06:47UA 1874	3h 11m Denver	DEN 09:58 → GRR 14:35UA 2637	8h 20m	99%	87%
American Details →	IAH 06:13 → ORD 09:07AA 3106	2h 49m Chicago	ORD 11:56 → GRR 14:05AA 3553 · flown by Envoy	6h 52m	98%	87%
Delta Details →	IAH 06:30 → MSP 09:13DL 1050	3h 42m Minneapolis	MSP 12:55 → GRR 15:25DL 3865 · flown by SkyWest	7h 55m	99%	87%
United Details →	IAH 05:04 → ORD 07:59UA 1044	2h 38m Chicago	ORD 10:37 → GRR 12:50UA 1297	6h 46m	100%	87%
Delta Details →	IAH 05:40 → ATL 08:50DL 1069	59m Atlanta	ATL 09:49 → GRR 11:43DL 2547	5h 03m	95%	86%
United Details →	IAH 06:01 → EWR 10:36UA 1797	3h 16m Newark	EWR 13:52 → GRR 16:03UA 3419 · flown by Republic	9h 02m	100%	85%
Delta Details →	IAH 09:41 → ATL 12:48DL 1585	2h 31m Atlanta	ATL 15:19 → GRR 17:14DL 2058	6h 33m	99%	83%

How these are worked out. Each flight’s odds are our forecast for that day (typical odds until the weather forecast covers it); flights of airlines we don’t forecast yet use their 12-month record and are marked. Makes the connection: the first flight’s 12-month lateness curve, scaled so its chance of arriving 15+ min late matches the day’s forecast, at the layover minus the 45-minute minimum (90 on separate tickets). Arrives on time: first flight not cancelled × connection made × second flight not cancelled × second flight within 15 minutes, each from the day’s forecast.

About this data: forecast odds from our model for Fri, Oct 9 (newest published update); 12-month records from US DOT on-time data, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. JSON