UA4173 ORD → MDT

United Airlines · Chicago, IL to Harrisburg, PA · 40 flights observed, 2026-05-21 to 2026-06-30 · 594 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -3 min, while the worst 10% run +100 min or later.

UA4173 covers more than one route in the data window — the stats below are for ORD → MDT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
74%
Median delay
-3 min
90th percentile
+100 min
Cancellation rate
3%

How often is UA4173 on time?

Across 40 flights on ORD → MDT from 2026-05-21 to 2026-06-30, UA4173 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +100 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2974%
16-30 min13%
31-60 min38%
61-120 min25%
2+ hrs410%

Performance by month

MonthFlightsOn-timeAvg delay
2026-051070%+2 min
2026-062976%+27 min

Performance by day of week

DayFlightsOn-time
Mon683%
Tue683%
Wed560%
Thu560%
Fri683%
Sat683%
Sun560%

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