UA1801 PHL → ORD
United Airlines · Philadelphia, PA to Chicago, IL · 81 flights observed, 2025-10-26 to 2026-02-11 · 678 mi
UA1801 covers more than one route in the data window — the stats below are for PHL → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-7 min
90th percentile
+76 min
Cancellation rate
1%
How often is UA1801 on time?
Across 81 flights on PHL → ORD from 2025-10-26 to 2026-02-11, UA1801 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +76 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 62 | 78% |
| 16-30 min | 5 | 6% |
| 31-60 min | 4 | 5% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 7 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 83% | -2 min |
| 2025-11 | 28 | 79% | +22 min |
| 2025-12 | 15 | 80% | +27 min |
| 2026-01 | 21 | 62% | +39 min |
| 2026-02 | 10 | 100% | -19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 77% |
| Tue | 14 | 93% |
| Wed | 14 | 79% |
| Thu | 11 | 64% |
| Fri | 11 | 82% |
| Sat | 5 | 60% |
| Sun | 12 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…