Flight OddsUA439 AUS → DEN
United Airlines · Austin, TX to Denver, CO · 192 flights observed, 2025-07-01 to 2026-06-30 · 775 mi
UA439 covers more than one route in the data window — the stats below are for AUS → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
64%
Median delay
+4 min
90th percentile
+83 min
Cancellation rate
2%
How often is UA439 on time?
Across 192 flights on AUS → DEN from 2025-07-01 to 2026-06-30, UA439 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +83 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 121 | 64% |
| 16-30 min | 17 | 9% |
| 31-60 min | 23 | 12% |
| 61-120 min | 19 | 10% |
| 2+ hrs | 8 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 36% | +45 min |
| 2025-08 | 17 | 41% | +42 min |
| 2026-01 | 22 | 64% | +22 min |
| 2026-02 | 24 | 79% | +7 min |
| 2026-03 | 26 | 69% | +24 min |
| 2026-04 | 22 | 86% | +4 min |
| 2026-05 | 23 | 57% | +27 min |
| 2026-06 | 26 | 81% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 31 | 71% |
| Tue | 25 | 72% |
| Wed | 30 | 63% |
| Thu | 32 | 63% |
| Fri | 32 | 66% |
| Sat | 7 | 29% |
| Sun | 31 | 61% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…