United Airlines · Chicago, IL to Cedar Rapids/Iowa City, IA · 142 flights observed, 2025-07-01 to 2026-03-28 · 196 mi
UA4387 covers more than one route in the data window — the stats below are for ORD → CID, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA4387 on time?
Across 142 flights on ORD → CID from 2025-07-01 to 2026-03-28, UA4387 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +134 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 90 | 66% |
| 16-30 min | 9 | 7% |
| 31-60 min | 9 | 7% |
| 61-120 min | 11 | 8% |
| 2+ hrs | 18 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 73% | +25 min |
| 2025-08 | 18 | 78% | +14 min |
| 2025-12 | 12 | 67% | +39 min |
| 2026-01 | 28 | 50% | +39 min |
| 2026-02 | 23 | 74% | +16 min |
| 2026-03 | 26 | 58% | +33 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 44% |
| Tue | 17 | 88% |
| Wed | 20 | 60% |
| Thu | 22 | 73% |
| Fri | 19 | 58% |
| Sat | 21 | 67% |
| Sun | 20 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…