Flight OddsUA4488 RIC → IAD
United Airlines · Richmond, VA to Washington, DC · 84 flights observed, 2026-01-06 to 2026-05-20 · 100 mi
UA4488 covers more than one route in the data window — the stats below are for RIC → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-20 min
90th percentile
+104 min
Cancellation rate
1%
How often is UA4488 on time?
Across 84 flights on RIC → IAD from 2026-01-06 to 2026-05-20, UA4488 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -20 min, and the worst 10% of flights arrived +104 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 | 65 | 78% |
| 16-30 min | 1 | 1% |
| 31-60 min | 5 | 6% |
| 61-120 min | 5 | 6% |
| 2+ hrs | 7 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 25 | 60% | +36 min |
| 2026-02 | 23 | 91% | -17 min |
| 2026-03 | 3 | 100% | -12 min |
| 2026-04 | 15 | 93% | -14 min |
| 2026-05 | 17 | 71% | +25 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 87% |
| Tue | 16 | 81% |
| Wed | 12 | 75% |
| Thu | 14 | 93% |
| Fri | 14 | 57% |
| Sat | 5 | 80% |
| Sun | 7 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…