Flight OddsUA3638 RIC → ORD
United Airlines · Richmond, VA to Chicago, IL · 56 flights observed, 2026-01-07 to 2026-03-04 · 642 mi
UA3638 covers more than one route in the data window — the stats below are for RIC → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
88%
Median delay
-12 min
90th percentile
+17 min
Cancellation rate
7%
How often is UA3638 on time?
Across 56 flights on RIC → ORD from 2026-01-07 to 2026-03-04, UA3638 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +17 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 45 | 88% |
| 16-30 min | 4 | 8% |
| 31-60 min | 1 | 2% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 21 | 76% | -5 min |
| 2026-02 | 26 | 96% | -2 min |
| 2026-03 | 4 | 100% | -17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 86% |
| Tue | 8 | 88% |
| Wed | 8 | 75% |
| Thu | 8 | 88% |
| Fri | 7 | 86% |
| Sat | 6 | 100% |
| Sun | 7 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…