UA4429 DAY → ORD

United Airlines · Dayton, OH to Chicago, IL · 19 flights observed, 2025-12-18 to 2026-01-05 · 240 mi

This flight has been getting more reliable recently — 2026-01's on-time rate (80%) is well above the 50% average from earlier months.

UA4429 covers more than one route in the data window — the stats below are for DAY → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
58%
Median delay
+1 min
90th percentile
+129 min
Cancellation rate
0%

How often is UA4429 on time?

Across 19 flights on DAY → ORD from 2025-12-18 to 2026-01-05, UA4429 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +129 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1158%
16-30 min15%
31-60 min316%
61-120 min211%
2+ hrs211%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121450%+49 min
2026-01580%+3 min

Performance by day of week

DayFlightsOn-time
Mon333%
Tue250%
Wed20%
Thu333%
Fri3100%
Sat3100%
Sun367%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…