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Tuesday, October 6 · our forecast odds · issued Sun 11:00 PM ET · connections flying that day

Tomorrow looks like a normal day here: all 2 nonstops are 11–14% likely to arrive 15+ min late.

Nonstops that day

All 2 nonstops →
DL 2479 Delta Flight history → ATL 10:20 PWM 13:00 11% 2% 0.6% 87%
DL 2138 Delta Flight history → ATL 20:35 PWM 23:14 14% 3% 0.7% 69%

Best connections that day, one ticket

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

SouthwestDetails → ATL 08:31 → BNA 08:37WN 186 2h 12m Nashville BNA 10:49 → PWM 14:24WN 3239 5h 53m 100% 93%
DeltaDetails → ATL 09:20 → DTW 11:10DL 1298 2h 55m Detroit DTW 14:05 → PWM 16:01DL 1821 6h 41m 100% 93%
UnitedDetails → ATL 06:07 → EWR 08:25UA 299 3h 34m Newark EWR 11:59 → PWM 13:25UA 3685 · flown by Republic 7h 18m 100% 92%
DeltaDetails → ATL 07:00 → DTW 08:54DL 1646 1h 06m Detroit DTW 10:00 → PWM 11:55DL 426 4h 55m 97% 91%
AmericanDetails → ATL 16:43 → ORD 17:53AA 616 2h 41m Chicago ORD 20:34 → PWM 00:09 +1AA 4504 · flown by Republic 7h 26m 97% 86%
UnitedDetails → ATL 07:30 → DEN 08:51UA 340 1h 16m Denver DEN 10:07 → PWM 16:13UA 372 8h 43m 96% 85%
UnitedDetails → ATL 13:18 → ORD 14:41UA 745 3h 29m Chicago ORD 18:10 → PWM 21:38UA 1264 8h 20m 99% 80%
AmericanDetails → ATL 16:07 → CLT 17:21AA 5175 · flown by PSA 2h 58m Charlotte CLT 20:19 → PWM 22:36AA 2120 6h 29m 97% 78%
How these are worked out. Each flight’s odds are our forecast for that day; 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 Tue, Oct 6 (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