Airlines › Delta Air Lines › August 2023
Carrier month · August 2023
Delta Air Lines in August 2023
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In August 2023, Delta Air Lines (DL) reported 89,057 scheduled domestic flights. 79.5% arrived on time, 1.7% were cancelled and 0.3% diverted.
All reporting carriers together recorded 76.9% on time and 1.5% cancelled that month, so the carrier was 2.6 points above the combined figure.
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 46%, late-arriving aircraft 31% and national aviation system 16%.
- On time 79.5%
- Arrived 15+ minutes late 18.5%
- Cancelled 1.7%
- Diverted 0.3%
August 2023 against a year earlier, the carrier's year and all carriers
| Measure | Aug 2023 | Year earlier | DL, 12 months to Jul 2026 | All carriers, Aug 2023 |
|---|---|---|---|---|
| Arrived on time | 79.5% | — | 79.9% | 76.9% |
| Departed on time | 78.4% | — | 80.6% | 76.7% |
| Cancelled | 1.7% | — | 1.7% | 1.5% |
| Average arrival delay | 5.6 min | — | 3.9 min | 8.4 min |
| Scheduled flights a day | 2,969 | — | 2,846 | 20,100 |
| Scheduled flights | 89,057 | — | 1,038,644 | 602,987 |
139 airports and 885 routes had DL flights that month.
Busiest airports that month
| Airport | Departures | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|
| ATL Atlanta | 19,718 | 74.2% | 9.5 min | 2.3% |
| MSP Minneapolis | 6,471 | 81.9% | 1.6 min | 0.7% |
| DTW Detroit | 5,434 | 76.0% | 10.5 min | 2.0% |
| SLC Salt Lake City | 4,709 | 82.5% | 4.0 min | 0.6% |
| LAX Los Angeles | 3,349 | 80.3% | 3.7 min | 0.8% |
| SEA Seattle | 3,204 | 82.7% | 3.0 min | 0.9% |
| JFK New York | 2,525 | 82.6% | -5.6 min | 0.7% |
| BOS Boston | 2,335 | 75.7% | 8.1 min | 1.1% |
| LGA New York | 2,164 | 79.9% | -2.3 min | 2.0% |
| MCO Orlando | 1,723 | 76.9% | 7.5 min | 0.7% |
| LAS Las Vegas | 1,320 | 83.3% | 3.6 min | 0.8% |
| SFO San Francisco | 1,243 | 87.4% | -4.4 min | 1.3% |
| DEN Denver | 1,127 | 83.5% | 0.6 min | 0.8% |
| AUS Austin | 1,082 | 81.1% | 10.7 min | 2.0% |
| TPA Tampa | 1,070 | 75.4% | 3.6 min | 7.6% |
By scheduled departure hour
Delay causes
Questions and answers
What share of Delta Air Lines flights were on time in August 2023?
79.5% of 89,057 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 76.9% that month.
How does that compare with a year earlier?
August 2022 is outside the 36 months on file, or the carrier did not report that month.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2023; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for Delta Air Lines · methodology · corrections.