A
Is United Airlines on time London to Chicago?
543 flights · January 2025 – August 2026 · all airlines on LHR to ORD →
90.77%
Arrived on time
Route average 78.63%
2.21%
Cancelled
Route average 2.89%
—
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| American Airlines | 550 | 72.92% | D |
| British Airways | 531 | 72.01% | D |
Month by month
Jan 2025
peak 96
Jun 2026