Flight OddsUA2135 IAH → ORD
United Airlines · Houston, TX to Chicago, IL · 158 flights observed, 2025-07-01 to 2026-06-30 · 925 mi
UA2135 covers more than one route in the data window — the stats below are for IAH → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
0 min
90th percentile
+64 min
Cancellation rate
0%
How often is UA2135 on time?
Across 158 flights on IAH → ORD from 2025-07-01 to 2026-06-30, UA2135 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +64 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 | 113 | 72% |
| 16-30 min | 14 | 9% |
| 31-60 min | 13 | 8% |
| 61-120 min | 9 | 6% |
| 2+ hrs | 8 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 60% | +16 min |
| 2025-08 | 31 | 77% | +16 min |
| 2025-09 | 30 | 87% | -3 min |
| 2025-10 | 25 | 80% | +5 min |
| 2026-05 | 11 | 73% | +15 min |
| 2026-06 | 30 | 57% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 82% |
| Tue | 23 | 78% |
| Wed | 22 | 64% |
| Thu | 23 | 74% |
| Fri | 23 | 70% |
| Sat | 23 | 70% |
| Sun | 21 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…