Flight OddsUA1823 ORD → IAH
United Airlines · Chicago, IL to Houston, TX · 39 flights observed, 2025-08-01 to 2026-03-04 · 925 mi
UA1823 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
97%
Median delay
-14 min
90th percentile
+7 min
Cancellation rate
3%
How often is UA1823 on time?
Across 39 flights on ORD → IAH from 2025-08-01 to 2026-03-04, UA1823 arrived within 15 minutes of schedule 97% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +7 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 37 | 97% |
| 16-30 min | 1 | 3% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 17 | 94% | -5 min |
| 2026-02 | 17 | 100% | -19 min |
| 2026-03 | 4 | 100% | -19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 100% |
| Tue | 5 | 100% |
| Wed | 5 | 100% |
| Thu | 4 | 100% |
| Fri | 6 | 100% |
| Sat | 6 | 100% |
| Sun | 6 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…