UA5598 TUS → DEN
United Airlines · Tucson, AZ to Denver, CO · 189 flights observed, 2025-10-26 to 2026-05-20 · 639 mi
UA5598 covers more than one route in the data window — the stats below are for TUS → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
88%
Median delay
-12 min
90th percentile
+25 min
Cancellation rate
2%
How often is UA5598 on time?
Across 189 flights on TUS → DEN from 2025-10-26 to 2026-05-20, UA5598 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +25 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 | 164 | 88% |
| 16-30 min | 5 | 3% |
| 31-60 min | 4 | 2% |
| 61-120 min | 7 | 4% |
| 2+ hrs | 6 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 100% | -15 min |
| 2025-11 | 27 | 100% | -14 min |
| 2025-12 | 15 | 87% | +6 min |
| 2026-01 | 31 | 90% | -6 min |
| 2026-02 | 27 | 81% | +27 min |
| 2026-03 | 30 | 73% | +56 min |
| 2026-04 | 30 | 93% | -15 min |
| 2026-05 | 20 | 90% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 28 | 79% |
| Tue | 26 | 92% |
| Wed | 27 | 85% |
| Thu | 27 | 93% |
| Fri | 26 | 88% |
| Sat | 26 | 88% |
| Sun | 26 | 92% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…