Today: only flights still to leave (it’s 10:57 am at San Juan)
Monday, October 5 · our forecast odds · issued Mon 9:00 AM ET · connections flying that day
Today looks rough: weather pushes the legs’ average chance of arriving 15+ min late to 33% (calm day: 21%). Best bet: Southwest via BWI, leaving 17:15, 44% on time.
Nonstops today
All 1 nonstop →| B6 634 JetBlue Flight history → | SJU 18:29 | BUF 23:07 | 49% | 16% | 1.7% | 85%worse than usual |
Best connections today, one ticket
Ranked by chance you reach Buffalo 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.
| DeltaDetails → | SJU 14:21 → DTW 19:03DL 1913 | 3h 47m Detroit | DTW 22:50 → BUF 23:58DL 978 | 9h 37m | 100% | 79% |
| UnitedDetails → | SJU 16:55 → IAD 20:56UA 2024 | 1h 30m Dulles | IAD 22:26 → BUF 23:59UA 3516 · flown by Republic | 7h 04m | 92% | 76% |
| UnitedDetails → | SJU 13:25 → EWR 17:39UA 1173 | 3h 39m Newark | EWR 21:18 → BUF 22:59UA 3476 · flown by Republic | 9h 34m | 95% | 76% |
| AmericanDetails → | SJU 14:25 → PHL 18:38AA 903 | 3h 42m Philadelphia | PHL 22:20 → BUF 23:53AA 5911 · flown by Piedmont | 9h 28m | 99% | 76% |
| SouthwestDetails → | SJU 17:15 → BWI 21:25WN 3719 | 1h 30m Baltimore | BWI 22:55 → BUF 00:15 +1WN 4577 | 7h 00m | 93% | 67% |
| DeltaDetails → | SJU 14:42 → ATL 18:36DL 1882 | 3h 16m Atlanta | ATL 21:52 → BUF 23:59DL 2334 | 9h 17m | 98% | 66% |
| JetBlueDetails → | SJU 14:05 → FLL 16:47B6 1454 | 3h 06m Fort Lauderdale | FLL 19:53 → BUF 23:00B6 866 | 8h 55m | 92% | 57% |
| AmericanDetails → | SJU 15:40 → CLT 19:39AA 783 | 1h 26m Charlotte | CLT 21:05 → BUF 22:51AA 703 | 7h 11m | 90% | 55% |
| Tight connection: often missed | ||||||
| SouthwestDetails → | SJU 17:15 → BWI 21:25WN 3719 | 1h 00m Baltimore | BWI 22:25 → BUF 23:45WN 4742 | 6h 30m | 71% | 44% |
About this data: forecast odds from our model for Mon, Oct 5 (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