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Any day
Thursday, October 8 · typical odds for a Thursday (too early for a weather forecast) · issued Sun 12:00 PM ET · connections flying that day

Thu, Oct 8: United via O'Hare, leaving 12:48, is the safest bet: 50% chance of reaching Newark on time.

Nonstops that day

All 1 nonstop →
UA 348 United Flight history → BZN 11:38 EWR 18:00 28% 13% 1.0% 77%

Best connections that day, one ticket

Ranked by chance you reach Newark on time, from each leg’s forecast for the day. Total trip = scheduled departure to arrival (Newark is 2 h ahead of Bozeman). Layovers up to 4 hours. Pick a connection for its 12-month details.

UnitedDetails → BZN 06:30 → DEN 08:24UA 1362 1h 48m Denver DEN 10:12 → EWR 16:16UA 2381 7h 46m 97% 75%
DeltaDetails → BZN 05:15 → SLC 06:34DL 491 3h 55m Salt Lake City SLC 10:29 → EWR 16:49DL 2033 9h 34m 99% 73%
UnitedDetails → BZN 14:26 → DEN 16:20UA 2258 1h 30m Denver DEN 17:50 → EWR 23:44UA 2613 7h 18m 93% 70%
AmericanDetails → BZN 06:31 → DFW 10:37AA 817 1h 12m Dallas-Fort Worth DFW 11:49 → EWR 16:25AA 813 7h 54m 97% 68%
AmericanDetails → BZN 12:02 → DFW 16:10AA 952 2h 05m Dallas-Fort Worth DFW 18:15 → EWR 22:51AA 618 8h 49m 94% 61%
UnitedDetails → BZN 12:48 → ORD 16:57UA 2202 1h 05m Chicago ORD 18:02 → EWR 21:13UA 2790 6h 25m 83% 50%
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 Thu, Oct 8 (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