UA1819 GRR → ORD

United Airlines · Grand Rapids, MI to Chicago, IL · 45 flights observed, 2025-10-26 to 2025-12-17 · 137 mi

This flight has been getting less reliable recently — 2025-12's on-time rate (36%) is well below the 83% average from earlier months.

UA1819 covers more than one route in the data window — the stats below are for GRR → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
61%
Median delay
+12 min
90th percentile
+205 min
Cancellation rate
2%

How often is UA1819 on time?

Across 45 flights on GRR → ORD from 2025-10-26 to 2025-12-17, UA1819 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +205 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2761%
16-30 min25%
31-60 min511%
61-120 min37%
2+ hrs716%

Performance by month

MonthFlightsOn-timeAvg delay
2025-106100%+1 min
2025-112467%+45 min
2025-121436%+101 min

Performance by day of week

DayFlightsOn-time
Mon863%
Tue863%
Wed863%
Thu667%
Fri771%
SatNo data—
Sun743%

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