Flight Reliability
DL 948 · Delta Air Lines
Dallas–Fort Worth → Los Angeles (DFW–LAX)
89
Pretty Reliable
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0.6%
- Cancelled
- 9 min early
- Median arrival delay
Based on 314 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 948 arrived on time 88% of the time on Mondays. On Sundays: 79%.
Better than the DFW–LAX route average.
DL 948 arrived on time 85% of the time, versus 73% across the DFW–LAX route.
A bit ahead of the Delta Air Lines network.
DL 948 arrived on time 85% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon88%(49 flights)
- Tue86%(43 flights)
- Wed84%(43 flights)
- Thu88%(48 flights)
- Fri86%(42 flights)
- Sat84%(38 flights)
- Sun79%(48 flights)
67%
May
Jun 83% → May 67% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 30 |
| July 2025 | 71% | 31 |
| August 2025 | 83% | 30 |
| September 2025 | 93% | 30 |
| October 2025 | 87% | 31 |
| November 2025 | 86% | 29 |
| December 2025 | 94% | 31 |
| January 2026 | 85% | 26 |
| March 2026 | 100% | 11 |
| April 2026 | 91% | 23 |
| May 2026 | 67% | 30 |
- Departures on time
- 86%
- Diverted
- 0.3%
- Flights flown
- 311
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 314 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.