UA1643 ORD → MCO

United Airlines · Chicago, IL to Orlando, FL · 94 flights observed, 2026-03-29 to 2026-06-30 · 1,005 mi

This flight's reliability varies a lot by day of week — 100% on-time on Sundays vs. 62% on Fridays.

UA1643 covers more than one route in the data window — the stats below are for ORD → MCO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
83%
Median delay
-8 min
90th percentile
+22 min
Cancellation rate
0%

How often is UA1643 on time?

Across 94 flights on ORD → MCO from 2026-03-29 to 2026-06-30, UA1643 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +22 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time7883%
16-30 min1415%
31-60 min11%
61-120 min11%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-033100%+1 min
2026-043077%+4 min
2026-053187%-8 min
2026-063083%-8 min

Performance by day of week

DayFlightsOn-time
Mon1493%
Tue1493%
Wed1385%
Thu1377%
Fri1362%
Sat1369%
Sun14100%

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