Flight OddsTUS → ORD United Airlines
United Airlines · Tucson, AZ to Chicago, IL · 539 flights, 2025-07-01 to 2026-06-30 · aggregated across 14 flight numbers
On-time arrival
78%
Median delay
-2 min
90th percentile
+46 min
Cancellation rate
1%
How on-time is United Airlines from TUS to ORD?
Across every United Airlines flight number on TUS → ORD (539 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +46 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 412 | 78% |
| 16-30 min | 42 | 8% |
| 31-60 min | 28 | 5% |
| 61-120 min | 29 | 5% |
| 2+ hrs | 17 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 77% | +6 min |
| 2025-08 | 29 | 72% | +14 min |
| 2025-09 | 30 | 80% | +9 min |
| 2025-10 | 37 | 73% | +11 min |
| 2025-11 | 57 | 74% | +17 min |
| 2025-12 | 45 | 76% | +12 min |
| 2026-01 | 49 | 82% | +4 min |
| 2026-02 | 52 | 85% | +5 min |
| 2026-03 | 60 | 77% | +14 min |
| 2026-04 | 59 | 73% | +7 min |
| 2026-05 | 50 | 84% | -1 min |
| 2026-06 | 29 | 86% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 77 | 70% |
| Tue | 74 | 76% |
| Wed | 71 | 86% |
| Thu | 75 | 83% |
| Fri | 78 | 77% |
| Sat | 75 | 88% |
| Sun | 78 | 68% |
UA flight numbers on TUS → ORD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…