Airports › Miami (MIA) › September 2024
Airport month · September 2024
Miami International in September 2024
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 September 2024, reporting carriers scheduled 7,603 domestic departures from Miami International (MIA). 81.6% left less than 15 minutes late and 79.0% reached their destination on time; 0.8% were cancelled.
Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so MIA departures were 2.8 points below the national departure figure.
A year earlier, in September 2023, the airport had 7,554 departures with 73.2% leaving on time: a change of +8.4 points, with flights up 1%.
Flights arriving at MIA that month were on time 83.6% of the time (7,591 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 35%, late-arriving aircraft 27% and national aviation system 27%.
- On time 79.0%
- Arrived 15+ minutes late 20.0%
- Cancelled 0.8%
- Diverted 0.1%
September 2024 against a year earlier, the airport's year and the nation
| Measure | Sep 2024 | Sep 2023 | MIA, 12 months to Jul 2026 | All reported flights, Sep 2024 |
|---|---|---|---|---|
| Departed on time | 81.6% | 73.2% | 72.9% | 84.4% |
| Arrived on time | 79.0% | 69.9% | 72.3% | 83.9% |
| Cancelled | 0.8% | 1.1% | 1.6% | 0.6% |
| Average departure delay (late minutes only) | 12.4 min | 22.0 min | 19.7 min | 10.6 min |
| Scheduled departures a day | 253 | 252 | 305 | 19,421 |
| Scheduled departures | 7,603 | 7,554 | 111,186 | 582,622 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| AA American Airlines | 4,401 | 58% | 75.3% | 7.9 min | 0.7% |
| MQ Envoy Air | 991 | 13% | 83.8% | -3.8 min | 2.4% |
| DL Delta Air Lines | 844 | 11% | 85.7% | -7.1 min | 0.1% |
| UA United Airlines | 360 | 5% | 85.0% | -3.4 min | 0.3% |
| WN Southwest Airlines | 335 | 4% | 82.7% | 5.7 min | 0.0% |
| NK Spirit Airlines | 288 | 4% | 86.8% | -8.2 min | 0.3% |
| F9 Frontier Airlines | 244 | 3% | 78.7% | -1.3 min | 2.5% |
| B6 JetBlue Airways | 78 | 1% | 78.2% | 5.1 min | 0.0% |
| YX Republic Airline | 32 | 0% | 87.5% | -5.1 min | 0.0% |
| AS Alaska Airlines | 30 | 0% | 80.0% | 6.1 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| MIA–ATL | Miami to Atlanta | 505 | 77.6% | 3.2 min | 0.6% |
| MIA–LGA | Miami to New York | 432 | 84.3% | -5.9 min | 0.7% |
| MIA–JFK | Miami to New York | 407 | 82.1% | 0.3 min | 0.2% |
| MIA–DFW | Miami to Dallas/Fort Worth | 393 | 76.6% | 5.2 min | 0.3% |
| MIA–ORD | Miami to Chicago | 307 | 81.4% | -0.6 min | 0.0% |
| MIA–DCA | Miami to Washington | 295 | 80.7% | 0.3 min | 0.3% |
| MIA–CLT | Miami to Charlotte | 291 | 75.6% | 9.6 min | 2.1% |
| MIA–EWR | Miami to Newark | 276 | 82.6% | -1.0 min | 0.7% |
| MIA–MCO | Miami to Orlando | 273 | 78.8% | 12.3 min | 0.7% |
| MIA–BOS | Miami to Boston | 269 | 78.8% | 4.0 min | 0.0% |
| MIA–IAH | Miami to Houston | 255 | 79.6% | 1.0 min | 0.0% |
| MIA–LAX | Miami to Los Angeles | 240 | 75.4% | 6.8 min | 0.4% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left MIA on time in September 2024?
81.6% of 7,603 scheduled domestic departures left less than 15 minutes late, and 79.0% reached their destination on time. The national figures that month were 84.4% and 83.9%.
How does that compare with a year earlier?
In September 2023, 73.2% of 7,554 departures left on time and 1.1% were cancelled, against 81.6% and 0.8% in September 2024.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2024; 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.