AA420
American Airlines flight 420 — Denver (DEN) to Dallas (DFW)
On time
74%
Avg delay
~75 min
Cancelled
2.3%
AA420 is fairly reliable, though delays happen. About 74% of departures arrive on time. When delays happen, the most common cause is late-arriving aircraft.
Monthly breakdown
| Month | On time | Cancelled | Avg delay |
|---|---|---|---|
| 2026-07 | 43% | 0.0% | 144 min |
| 2026-07 | 65% | 0.0% | 99 min |
| 2026-06 | 54% | 13.3% | 110 min |
| 2026-06 | 58% | 13.3% | 69 min |
| 2026-05 | 68% | 6.7% | 87 min |
| 2026-05 | 81% | 0.0% | 77 min |
| 2026-04 | 76% | 3.3% | 259 min |
| 2026-04 | 80% | 0.0% | 99 min |
| 2026-03 | 68% | 0.0% | 116 min |
| 2026-03 | 74% | 0.0% | 88 min |
| 2026-02 | 71% | 0.0% | 56 min |
| 2026-02 | 63% | 3.6% | 44 min |
Top delay cause
late-arriving aircraft
Based on 2,460 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.