United Airlines · Chicago, IL to Fort Lauderdale, FL · 341 flights observed, 2025-07-01 to 2026-06-30 · 1,182 mi
UA1421 covers more than one route in the data window — the stats below are for ORD → FLL, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA1421 on time?
Across 341 flights on ORD → FLL from 2025-07-01 to 2026-06-30, UA1421 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +10 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 | 309 | 91% |
| 16-30 min | 19 | 6% |
| 31-60 min | 5 | 1% |
| 61-120 min | 3 | 1% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 100% | -7 min |
| 2025-08 | 30 | 100% | -14 min |
| 2025-09 | 29 | 97% | -8 min |
| 2025-10 | 24 | 88% | -7 min |
| 2025-11 | 30 | 97% | -6 min |
| 2025-12 | 31 | 81% | -6 min |
| 2026-01 | 31 | 84% | -4 min |
| 2026-02 | 23 | 96% | -11 min |
| 2026-03 | 25 | 92% | -3 min |
| 2026-04 | 30 | 93% | -2 min |
| 2026-05 | 25 | 84% | +7 min |
| 2026-06 | 30 | 87% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 92% |
| Tue | 40 | 93% |
| Wed | 40 | 95% |
| Thu | 52 | 96% |
| Fri | 50 | 90% |
| Sat | 52 | 83% |
| Sun | 52 | 92% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…