DEN → JAX United Airlines

United Airlines · Denver, CO to Jacksonville, FL · 617 flights, 2025-07-01 to 2026-06-30 · aggregated across 9 flight numbers

This route runs much more reliably at some times of day than others — 88% on-time departing 12–3pm vs. 29% departing 6–9pm.
On-time arrival
81%
Median delay
-7 min
90th percentile
+36 min
Cancellation rate
0%

How on-time is United Airlines from DEN to JAX?

Across every United Airlines flight number on DEN → JAX (617 flights, 2025-07-01 to 2026-06-30), 81% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +36 min or later. 0% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time50181%
16-30 min457%
31-60 min386%
61-120 min213%
2+ hrs112%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073148%+45 min
2025-083145%+37 min
2025-093672%+12 min
2025-106284%-1 min
2025-115997%-9 min
2025-126269%+13 min
2026-015688%-6 min
2026-024992%-10 min
2026-035983%+4 min
2026-046095%-15 min
2026-056090%-3 min
2026-065178%+10 min

Performance by day of week

DayFlightsOn-time
Mon8676%
Tue7886%
Wed8686%
Thu9177%
Fri9283%
Sat9280%
Sun9182%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…