Flight Reliability
DL 1049 · Delta Air Lines
Los Angeles → Denver (LAX–DEN)82% of its flights flew this route. The rest (DTW–MKE, MKE–DTW) are included in these numbers.
- 83%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 1.7%
- Cancelled
- 16 min early
- Median arrival delay
Based on 289 historical flights. Data through May 2026.
What the data says
Mornings have a slight edge.
Departures between 9 AM–12 PM arrived on time 88% of the time, against 83% between 6–9 PM.
Sunday scaries are real for this one.
DL 1049 arrived on time 93% of the time on Wednesdays and just 78% on Sundays. That gap is worth planning around.
Slipping a little lately.
DL 1049 arrived on time 88% of the time over the last three months in the data, compared with 93% in the three months before that.
The breakdown
- Mon88%(40 flights)
- Tue83%(42 flights)
- Wed93%(45 flights)
- Thu79%(43 flights)
- Fri79%(38 flights)
- Sat82%(34 flights)
- Sun78%(41 flights)
- 6–9 AM84%(25 flights)
- 9 AM–12 PM88%(25 flights)
- 6–9 PM83%(233 flights)
Jun 83% → Apr 96% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 30 |
| July 2025 | 52% | 27 |
| August 2025 | 68% | 31 |
| September 2025 | 97% | 30 |
| October 2025 | 97% | 29 |
| November 2025 | 86% | 28 |
| December 2025 | 84% | 31 |
| March 2026 | 83% | 40 |
| April 2026 | 96% | 28 |
- Departures on time
- 86%
- Diverted
- 0.3%
- Flights flown
- 283
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 289 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.