ORIGIN AIRPORT REPORT
MIA
Miami, FL (MIA) departure reliability
Of 111,061 scheduled reportable flights departing MIA, 72.3% arrived on time, 17.6% arrived at least 30 minutes late, and 1.6% were cancelled during July 2025–June 2026.
Source: U.S. Bureau of Transportation Statistics · Origin-airport cohort · Updated September 16, 2026
HISTORICAL ROUTE SIGNALGenerally reliable
72.3%arrived on time
17.6%30+ min late
1.6%cancelled
111,061scheduled flights
MOST-FLOWN DIRECTIONS
ALL ROUTES →Which route from MIA had the largest sample?
MIA to ATL was MIA's largest published route sample, with 6,223 scheduled flights and a 72.5% on-time rate during July 2025–June 2026.
MIA→ATLMiami, FL (MIA) to Atlanta, GA (ATL)6,223 flights analyzedGenerally reliable72.5%on timeMIA→LGAMiami, FL (MIA) to New York, NY (LGA)6,010 flights analyzedHigher disruption64.7%on timeMIA→DFWMiami, FL (MIA) to Dallas/Fort Worth, TX (DFW)4,825 flights analyzedVariable70.4%on timeMIA→JFKMiami, FL (MIA) to New York, NY (JFK)4,555 flights analyzedVariable69.7%on timeMIA→ORDMiami, FL (MIA) to Chicago, IL (ORD)4,447 flights analyzedVariable68.7%on timeMIA→EWRMiami, FL (MIA) to Newark, NJ (EWR)3,985 flights analyzedVariable69.6%on timeMIA→DCAMiami, FL (MIA) to Washington, DC (DCA)3,962 flights analyzedGenerally reliable72.8%on timeMIA→MCOMiami, FL (MIA) to Orlando, FL (MCO)3,804 flights analyzedGenerally reliable71.3%on timeMIA→IAHMiami, FL (MIA) to Houston, TX (IAH)3,737 flights analyzedGenerally reliable76.2%on timeMIA→CLTMiami, FL (MIA) to Charlotte, NC (CLT)3,726 flights analyzedGenerally reliable76.7%on timeMIA→BOSMiami, FL (MIA) to Boston, MA (BOS)3,415 flights analyzedVariable67.9%on timeMIA→LAXMiami, FL (MIA) to Los Angeles, CA (LAX)3,245 flights analyzedGenerally reliable74.5%on timeMIA→PHLMiami, FL (MIA) to Philadelphia, PA (PHL)3,158 flights analyzedGenerally reliable73.9%on timeMIA→TPAMiami, FL (MIA) to Tampa, FL (TPA)2,947 flights analyzedVariable69.8%on timeMIA→SJUMiami, FL (MIA) to San Juan, PR (SJU)2,636 flights analyzedGenerally reliable73.9%on time
Which airline was most reliable departing MIA?
Among qualifying MIA airline departure results, Envoy Air had the highest on-time rate: 82.1% of 13,859 flights. Spirit Airlines was lowest at 62.5% across 3,516 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| American Airlines | 63,941 | 70.4% | 19.1% | 1.6% |
| Envoy Air | 13,859 | 82.1% | 9.5% | 0.8% |
| Delta Air Lines | 11,625 | 72.3% | 17.8% | 2.1% |
| United Airlines | 6,839 | 76.9% | 14.8% | 1.0% |
| Southwest Airlines | 5,316 | 70.5% | 18.0% | 1.1% |
| Frontier Airlines | 4,274 | 73.4% | 17.1% | 2.2% |
| Spirit Airlines | 3,516 | 62.5% | 23.8% | 4.6% |
| Republic Airways | 1,069 | 67.5% | 21.1% | 1.3% |
| Alaska Airlines | 533 | 67.9% | 17.4% | 1.5% |
| JetBlue Airways | 89 | 62.9% | 21.3% | 5.6% |
Origin report, not airport-wide operations.
These figures summarize the reported scheduled passenger flights in the dataset, not every flight or every airport process.