Take the nonstop: United SJC → ORD (4h 24m) reaches Chicago on time 9 times in 10; the most reliable connection, Delta via Salt Lake City (7h 13m), 70%.
Time of day × airport
Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).
Pick an hour to see this route’s flights leaving then.
Airlines on this route
Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
Dimmed: fewer than 150 flights in the year, too few to rank.
Flights, best and worst
Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
No flight on this route ran 150+ times in the year.
All 2 flights on this route →Nonstops by airline and airport
Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
Alternatives with one stop
All connections →| DeltaDetails → | SJC 13:40 → SLC 16:33DL 1254 | 48m Salt Lake City | SLC 17:21 → ORD 21:29DL 2413 | 5h 53m | 89% | 66% |
| UnitedDetails → | SJC 08:45 → DEN 12:23UA 586 | 1h 02m Denver | DEN 13:25 → ORD 17:05UA 617 | 6h 20m | 97% | 66% |
| DeltaDetails → | SJC 14:59 → LAX 16:27DL 3842 · flown by SkyWest | 48m Los Angeles | LAX 17:15 → ORD 23:18DL 1634 | 6h 19m | 87% | 59% |
About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON