Flight OddsUA4399 PIA → ORD
United Airlines · Peoria, IL to Chicago, IL · 20 flights observed, 2026-03-05 to 2026-03-27 · 130 mi
UA4399 covers more than one route in the data window — the stats below are for PIA → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-2 min
90th percentile
+108 min
Cancellation rate
10%
How often is UA4399 on time?
Across 20 flights on PIA → ORD from 2026-03-05 to 2026-03-27, UA4399 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +108 min or later. 10% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 13 | 72% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 6% |
| 61-120 min | 2 | 11% |
| 2+ hrs | 2 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 18 | 72% | +25 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 3 | 67% |
| Wed | 3 | 100% |
| Thu | 4 | 75% |
| Fri | 3 | 33% |
| Sat | No data | — |
| Sun | 2 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…