Flight OddsUA2306 PDX → ORD
United Airlines · Portland, OR to Chicago, IL · 120 flights observed, 2026-01-06 to 2026-06-30 · 1,739 mi
UA2306 covers more than one route in the data window — the stats below are for PDX → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-8 min
90th percentile
+16 min
Cancellation rate
1%
How often is UA2306 on time?
Across 120 flights on PDX → ORD from 2026-01-06 to 2026-06-30, UA2306 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +16 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 107 | 90% |
| 16-30 min | 7 | 6% |
| 31-60 min | 3 | 3% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 88% | -5 min |
| 2026-02 | 28 | 100% | -21 min |
| 2026-03 | 4 | 100% | -14 min |
| 2026-04 | 1 | 100% | -4 min |
| 2026-05 | 31 | 84% | +14 min |
| 2026-06 | 29 | 86% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 88% |
| Tue | 18 | 89% |
| Wed | 17 | 88% |
| Thu | 17 | 100% |
| Fri | 17 | 82% |
| Sat | 17 | 88% |
| Sun | 17 | 94% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…