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Any day
Saturday, October 10 · typical odds for a Saturday (too early for a weather forecast) · issued Tue 12:00 PM ET · connections flying that day

Sat, Oct 10: United via SFO, leaving 05:15, is the safest bet: 84% chance of reaching Kahului on time; the tightest one-ticket connections make it only 62% of the time.

Nonstops that day

All 2 nonstops →
AS 889 Alaska PDX 07:05 OGG 09:57 16% 4% 0.8% no record
AS 353 Alaska Flight history → PDX 17:45 OGG 20:40 22% 5% 0.9% 89%worse than usual

Best connections that day, one ticket

Ranked by chance you reach Kahului on time, from each leg’s forecast for the day. Total trip = scheduled departure to arrival (Kahului is 3 h behind Portland). Layovers up to 4 hours. Pick a connection for its 12-month details.

UnitedDetails → PDX 05:15 → SFO 07:01UA 1896 1h 14m San Francisco SFO 08:15 → OGG 10:45UA 2010 8h 30m 97% 84%
DeltaDetails → PDX 11:15 → SEA 12:30DL 3818 · flown by SkyWest 2h 29m Seattle SEA 14:59 → OGG 17:56DL 344 9h 41m 99% 81%
UnitedDetails → PDX 05:00 → DEN 08:31UA 459 3h 29m Denver DEN 12:00 → OGG 15:05UA 1736 13h 05m 99% 80%
DeltaDetails → PDX 05:45 → SLC 08:33DL 1270 2h 57m Salt Lake City SLC 11:30 → OGG 14:08DL 623 11h 23m 100% 77%
AlaskaDetails → PDX 08:00 → KOA 10:55AS 252 2h 57m Kailua/Kona KOA 13:52 → OGG 14:29AS 1259 9h 29m 99% 74%
AlaskaDetails → PDX 10:30 → HNL 13:28AS 813 2h 31m Honolulu HNL 15:59 → OGG 16:48AS 1436 9h 18m 98% 73%
UnitedDetails → PDX 13:05 → SFO 15:12UA 751 1h 28m San Francisco SFO 16:40 → OGG 19:17UA 1749 9h 12m 87% 69%
AlaskaDetails → PDX 06:19 → SEA 07:17AS 499 2h 58m Seattle SEA 10:15 → OGG 13:19AS 929 10h 00m 100% 67%
Tight connection: often missed
AlaskaDetails → PDX 07:32 → SAN 10:05AS 577 54m San Diego SAN 10:59 → OGG 13:42AS 232 9h 10m 68% 50%
AlaskaDetails → PDX 06:19 → SEA 07:17AS 499 48m Seattle SEA 08:05 → OGG 11:19AS 245 8h 00m 62% 46%
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 Sat, Oct 10 (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