Airports › Miami (MIA) › April 2025
Airport month · April 2025
Miami International in April 2025
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 2025, reporting carriers scheduled 9,878 domestic departures from Miami International (MIA). 76.7% left less than 15 minutes late and 76.3% reached their destination on time; 0.8% were cancelled.
Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so MIA departures were 3.9 points below the national departure figure.
A year earlier, in April 2024, the airport had 9,590 departures with 77.0% leaving on time: a change of −0.3 points, with flights up 3%.
Flights arriving at MIA that month were on time 79.6% of the time (9,889 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, air carrier 34% and national aviation system 19%.
- On time 76.3%
- Arrived 15+ minutes late 22.6%
- Cancelled 0.8%
- Diverted 0.3%
April 2025 against a year earlier, the airport's year and the nation
| Measure | Apr 2025 | Apr 2024 | MIA, 12 months to Jul 2026 | All reported flights, Apr 2025 |
|---|---|---|---|---|
| Departed on time | 76.7% | 77.0% | 72.9% | 80.6% |
| Arrived on time | 76.3% | 76.5% | 72.3% | 79.5% |
| Cancelled | 0.8% | 0.8% | 1.6% | 0.8% |
| Average departure delay (late minutes only) | 17.6 min | 17.8 min | 19.7 min | 14.1 min |
| Scheduled departures a day | 329 | 320 | 305 | 19,465 |
| Scheduled departures | 9,878 | 9,590 | 111,186 | 583,950 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| AA American Airlines | 5,553 | 56% | 72.8% | 12.4 min | 0.8% |
| MQ Envoy Air | 1,139 | 12% | 86.7% | -1.9 min | 1.2% |
| DL Delta Air Lines | 966 | 10% | 77.7% | 8.6 min | 0.7% |
| UA United Airlines | 587 | 6% | 80.9% | 4.1 min | 0.3% |
| WN Southwest Airlines | 478 | 5% | 81.4% | 5.3 min | 0.0% |
| NK Spirit Airlines | 465 | 5% | 77.4% | 11.0 min | 0.6% |
| F9 Frontier Airlines | 395 | 4% | 77.5% | 6.5 min | 1.5% |
| B6 JetBlue Airways | 176 | 2% | 76.7% | 4.4 min | 0.0% |
| YX Republic Airline | 68 | 1% | 82.4% | 20.0 min | 0.0% |
| AS Alaska Airlines | 51 | 1% | 76.5% | -4.5 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| MIA–ATL | Miami to Atlanta | 564 | 73.6% | 11.4 min | 1.6% |
| MIA–LGA | Miami to New York | 512 | 76.4% | 11.8 min | 0.8% |
| MIA–JFK | Miami to New York | 489 | 73.8% | 8.8 min | 0.8% |
| MIA–BOS | Miami to Boston | 413 | 77.7% | 3.6 min | 0.5% |
| MIA–ORD | Miami to Chicago | 383 | 76.0% | 6.6 min | 1.3% |
| MIA–DFW | Miami to Dallas/Fort Worth | 374 | 64.7% | 18.3 min | 1.3% |
| MIA–EWR | Miami to Newark | 348 | 66.1% | 17.8 min | 1.1% |
| MIA–CLT | Miami to Charlotte | 337 | 77.2% | 5.7 min | 0.9% |
| MIA–MCO | Miami to Orlando | 329 | 72.9% | 12.7 min | 0.9% |
| MIA–DCA | Miami to Washington | 325 | 72.9% | 10.5 min | 0.6% |
| MIA–PHL | Miami to Philadelphia | 318 | 76.7% | 10.2 min | 0.6% |
| MIA–IAH | Miami to Houston | 315 | 80.0% | 5.2 min | 1.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left MIA on time in April 2025?
76.7% of 9,878 scheduled domestic departures left less than 15 minutes late, and 76.3% reached their destination on time. The national figures that month were 80.6% and 79.5%.
How does that compare with a year earlier?
In April 2024, 77.0% of 9,590 departures left on time and 0.8% were cancelled, against 76.7% and 0.8% in April 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MIA · methodology · corrections.