UA5599 OKC → ORD

United Airlines · Oklahoma City, OK to Chicago, IL · 65 flights observed, 2025-10-26 to 2026-01-05 · 693 mi

This flight's reliability varies a lot by day of week — 100% on-time on Thursdays vs. 44% on Wednesdays.

UA5599 covers more than one route in the data window — the stats below are for OKC → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
68%
Median delay
+5 min
90th percentile
+92 min
Cancellation rate
3%

How often is UA5599 on time?

Across 65 flights on OKC → ORD from 2025-10-26 to 2026-01-05, UA5599 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +92 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4368%
16-30 min23%
31-60 min711%
61-120 min610%
2+ hrs58%

Performance by month

MonthFlightsOn-timeAvg delay
2025-106100%0 min
2025-112357%+26 min
2025-122966%+29 min
2026-015100%-9 min

Performance by day of week

DayFlightsOn-time
Mon1060%
Tue1070%
Wed944%
Thu8100%
Fri1060%
Sat6100%
Sun1060%

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