About 1 in 5 DL 420 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (20%); 1.4% were cancelled. The typical flight landed 6 minutes early.
DL 420: LAX → DFW
Scheduled to leave Los Angeles at 6:59 p.m. local time. Over the past year it arrived on time 80% of the time (357 flights), in line with other DL flights on the route at that hour (81%). Last seen in the data Aug 30, 2026.
Usually Delta Air Lines's last flight of the day from Los Angeles to Dallas (99% of days). Delta Air Lines's last LAX–DFW flight was cancelled 1.4% of the time, against 1.3% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 7:35 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 52 | 83% |
| Tuesday | 52 | 77% |
| Wednesday | 52 | 83% |
| Thursday | 52 | 83% |
| Friday | 52 | 83% |
| Saturday | 47 | 81% |
| Sunday | 50 | 72% |
Why it was late
All flights LAX → DFW · Connecting off DL 420? Check the risk
Questions
How often is DL 420 from LAX to DFW late?
Delta Air Lines 420 from Los Angeles, CA to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 20% of 357 scheduled flights between September 2025 and August 2026. 1.4% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.