Flight OddsUA636 HDN → ORD
United Airlines · Hayden, CO to Chicago, IL · 90 flights observed, 2026-01-06 to 2026-04-05 · 1,009 mi
UA636 covers more than one route in the data window — the stats below are for HDN → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-15 min
90th percentile
+105 min
Cancellation rate
1%
How often is UA636 on time?
Across 90 flights on HDN → ORD from 2026-01-06 to 2026-04-05, UA636 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +105 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 63 | 72% |
| 16-30 min | 4 | 5% |
| 31-60 min | 6 | 7% |
| 61-120 min | 9 | 10% |
| 2+ hrs | 6 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 25 | 84% | +16 min |
| 2026-02 | 28 | 79% | +5 min |
| 2026-03 | 30 | 60% | +33 min |
| 2026-04 | 5 | 40% | +71 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 67% |
| Tue | 13 | 92% |
| Wed | 13 | 77% |
| Thu | 13 | 69% |
| Fri | 12 | 50% |
| Sat | 13 | 62% |
| Sun | 12 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…