Flight OddsUA2321 PDX → ORD
United Airlines · Portland, OR to Chicago, IL · 37 flights observed, 2026-01-06 to 2026-02-11 · 1,739 mi
UA2321 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
70%
Median delay
+2 min
90th percentile
+69 min
Cancellation rate
0%
How often is UA2321 on time?
Across 37 flights on PDX → ORD from 2026-01-06 to 2026-02-11, UA2321 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +69 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 26 | 70% |
| 16-30 min | 4 | 11% |
| 31-60 min | 2 | 5% |
| 61-120 min | 2 | 5% |
| 2+ hrs | 3 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 73% | +16 min |
| 2026-02 | 11 | 64% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 6 | 67% |
| Wed | 6 | 67% |
| Thu | 5 | 80% |
| Fri | 5 | 100% |
| Sat | 5 | 60% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…