Flight OddsUA2821 ORD → IAH
United Airlines · Chicago, IL to Houston, TX · 24 flights observed, 2026-06-01 to 2026-06-24 · 925 mi
UA2821 covers more than one route in the data window — the stats below are for ORD → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-2 min
90th percentile
+59 min
Cancellation rate
0%
How often is UA2821 on time?
Across 24 flights on ORD → IAH from 2026-06-01 to 2026-06-24, UA2821 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +59 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 19 | 79% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 8% |
| 61-120 min | 3 | 13% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-06 | 24 | 79% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 4 | 100% |
| Wed | 4 | 50% |
| Thu | 3 | 67% |
| Fri | 3 | 100% |
| Sat | 3 | 33% |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…