Airlines › Delta Air Lines › April 2026
Carrier month · April 2026
Delta Air Lines in April 2026
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 April 2026, Delta Air Lines (DL) reported 87,115 scheduled domestic flights. 84.1% arrived on time, 0.8% were cancelled and 0.2% diverted.
All reporting carriers together recorded 78.9% on time and 0.9% cancelled that month, so the carrier was 5.2 points above the combined figure.
A year earlier, in April 2025, it reported 84,188 flights with 81.6% on time: a change of +2.5 points.
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 47%, late-arriving aircraft 30% and national aviation system 21%.
- On time 84.1%
- Arrived 15+ minutes late 14.9%
- Cancelled 0.8%
- Diverted 0.2%
April 2026 against a year earlier, the carrier's year and all carriers
| Measure | Apr 2026 | Apr 2025 | DL, 12 months to Jul 2026 | All carriers, Apr 2026 |
|---|---|---|---|---|
| Arrived on time | 84.1% | 81.6% | 79.9% | 78.9% |
| Departed on time | 85.2% | 83.0% | 80.6% | 79.1% |
| Cancelled | 0.8% | 0.5% | 1.7% | 0.9% |
| Average arrival delay | -0.1 min | 3.8 min | 3.9 min | 4.8 min |
| Scheduled flights a day | 2,904 | 2,806 | 2,846 | 19,931 |
| Scheduled flights | 87,115 | 84,188 | 1,038,644 | 597,919 |
138 airports and 925 routes had DL flights that month.
Busiest airports that month
| Airport | Departures | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|
| ATL Atlanta | 20,246 | 82.7% | 1.7 min | 1.1% |
| MSP Minneapolis | 5,119 | 84.4% | -0.1 min | 0.3% |
| DTW Detroit | 5,070 | 81.9% | 2.4 min | 0.7% |
| SLC Salt Lake City | 4,616 | 84.5% | 0.6 min | 0.3% |
| LAX Los Angeles | 3,177 | 80.7% | 2.4 min | 0.7% |
| SEA Seattle | 2,662 | 84.6% | 2.2 min | 0.3% |
| JFK New York | 2,569 | 82.0% | -3.6 min | 0.6% |
| LGA New York | 2,426 | 78.3% | 1.6 min | 1.1% |
| BOS Boston | 2,299 | 80.7% | 0.5 min | 0.5% |
| MCO Orlando | 1,961 | 82.2% | 2.2 min | 0.2% |
| LAS Las Vegas | 1,399 | 89.1% | -4.5 min | 0.4% |
| TPA Tampa | 1,282 | 87.7% | -1.3 min | 0.5% |
| FLL Fort Lauderdale | 1,213 | 80.1% | 5.1 min | 0.6% |
| SFO San Francisco | 1,160 | 74.0% | 12.0 min | 0.5% |
| AUS Austin | 1,139 | 83.5% | 1.2 min | 0.4% |
By scheduled departure hour
Delay causes
Questions and answers
What share of Delta Air Lines flights were on time in April 2026?
84.1% of 87,115 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 78.9% that month.
How does that compare with a year earlier?
In April 2025 the carrier reported 84,188 flights with 81.6% on time and 0.5% cancelled, against 84.1% and 0.8% in April 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2026; 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.