Flight OddsUA1640 ORD → PHX
United Airlines · Chicago, IL to Phoenix, AZ · 133 flights observed, 2025-09-25 to 2026-02-11 · 1,440 mi
UA1640 covers more than one route in the data window — the stats below are for ORD → PHX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-8 min
90th percentile
+47 min
Cancellation rate
0%
How often is UA1640 on time?
Across 133 flights on ORD → PHX from 2025-09-25 to 2026-02-11, UA1640 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +47 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 102 | 77% |
| 16-30 min | 9 | 7% |
| 31-60 min | 10 | 8% |
| 61-120 min | 8 | 6% |
| 2+ hrs | 3 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 5 | 100% | -20 min |
| 2025-10 | 26 | 81% | +2 min |
| 2025-11 | 29 | 69% | +8 min |
| 2025-12 | 30 | 77% | +6 min |
| 2026-01 | 31 | 74% | +4 min |
| 2026-02 | 11 | 91% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 79% |
| Tue | 20 | 75% |
| Wed | 19 | 79% |
| Thu | 19 | 74% |
| Fri | 15 | 80% |
| Sat | 20 | 75% |
| Sun | 20 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…