Flight OddsUA1859 PIT → IAH
United Airlines · Pittsburgh, PA to Houston, TX · 93 flights observed, 2026-03-29 to 2026-06-30 · 1,117 mi
UA1859 covers more than one route in the data window — the stats below are for PIT → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
92%
Median delay
-15 min
90th percentile
+11 min
Cancellation rate
0%
How often is UA1859 on time?
Across 93 flights on PIT → IAH from 2026-03-29 to 2026-06-30, UA1859 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +11 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 | 86 | 92% |
| 16-30 min | 4 | 4% |
| 31-60 min | 1 | 1% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 100% | -29 min |
| 2026-04 | 30 | 90% | -4 min |
| 2026-05 | 31 | 97% | -11 min |
| 2026-06 | 29 | 90% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 92% |
| Tue | 14 | 79% |
| Wed | 13 | 92% |
| Thu | 13 | 100% |
| Fri | 13 | 92% |
| Sat | 13 | 100% |
| Sun | 14 | 93% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…