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Any day
Saturday, October 10 · typical odds for a Saturday (too early for a weather forecast) · issued Sun 8:00 PM ET · connections flying that day

Sat, Oct 10: Delta via Detroit, leaving 05:30, is the safest bet: 87% chance of reaching Kansas City on time; the tightest one-ticket connections make it only 72% of the time.

Nonstops that day

All 2 nonstops →
DL 675 Delta Flight history → BOS 09:15 MCI 11:45 13% 3% 0.6% 88%
WN 2123 Southwest BOS 14:32 MCI 17:10 22% 5% 0.6% no record

Best connections that day, one ticket

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

DeltaDetails → BOS 05:30 → DTW 07:38DL 1019 1h 02m Detroit DTW 08:40 → MCI 09:44DL 2826 5h 14m 97% 87%
DeltaDetails → BOS 08:16 → MSP 10:25DL 1308 3h 20m Minneapolis MSP 13:45 → MCI 15:14DL 1613 7h 58m 97% 86%
DeltaDetails → BOS 06:05 → SLC 09:17DL 859 1h 17m Salt Lake City SLC 10:34 → MCI 13:57DL 2882 8h 52m 98% 85%
DeltaDetails → BOS 05:30 → ATL 08:21DL 2242 2h 44m Atlanta ATL 11:05 → MCI 12:12DL 2747 7h 42m 100% 85%
UnitedDetails → BOS 07:25 → IAH 10:35UA 226 1h 30m Houston IAH 12:05 → MCI 14:15UA 6152 · flown by Mesa 7h 50m 99% 84%
DeltaDetails → BOS 11:52 → MSP 14:04DL 1103 1h 15m Minneapolis MSP 15:19 → MCI 16:55DL 1774 6h 03m 95% 84%
AmericanDetails → BOS 06:03 → PHL 07:45AA 1540 2h 26m Philadelphia PHL 10:11 → MCI 12:17AA 1480 7h 14m 98% 84%
DeltaDetails → BOS 14:52 → MSP 17:05DL 1127 3h 25m Minneapolis MSP 20:30 → MCI 21:59DL 1657 8h 07m 99% 84%
Tight connection: often missed
AmericanDetails → BOS 18:02 → CLT 20:22AA 922 1h 18m Charlotte CLT 21:40 → MCI 23:04AA 1732 6h 02m 72% 52%
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