Flight OddsUA488 ORD → IAD
United Airlines · Chicago, IL to Washington, DC · 18 flights observed, 2026-03-05 to 2026-03-28 · 588 mi
UA488 covers more than one route in the data window — the stats below are for ORD → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
53%
Median delay
+14 min
90th percentile
+89 min
Cancellation rate
6%
How often is UA488 on time?
Across 18 flights on ORD → IAD from 2026-03-05 to 2026-03-28, UA488 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +14 min, and the worst 10% of flights arrived +89 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 9 | 53% |
| 16-30 min | 3 | 18% |
| 31-60 min | 1 | 6% |
| 61-120 min | 3 | 18% |
| 2+ hrs | 1 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 17 | 53% | +34 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | 3 | 67% |
| Thu | 4 | 50% |
| Fri | 3 | 33% |
| Sat | 4 | 75% |
| Sun | 3 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…