UA5635 TUS → ORD

United Airlines · Tucson, AZ to Chicago, IL · 99 flights observed, 2025-10-26 to 2026-03-04 · 1,437 mi

UA5635 covers more than one route in the data window — the stats below are for TUS → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
89%
Median delay
-6 min
90th percentile
+19 min
Cancellation rate
2%

How often is UA5635 on time?

Across 99 flights on TUS → ORD from 2025-10-26 to 2026-03-04, UA5635 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +19 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time8689%
16-30 min22%
31-60 min22%
61-120 min22%
2+ hrs55%

Performance by month

MonthFlightsOn-timeAvg delay
2025-106100%-9 min
2025-112986%+19 min
2025-121681%+15 min
2026-0118100%-9 min
2026-022483%+6 min
2026-034100%-2 min

Performance by day of week

DayFlightsOn-time
Mon1580%
Tue1191%
Wed11100%
Thu1587%
Fri1593%
Sat1493%
Sun1681%

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