ORIGIN AIRPORT REPORT
BWI
Baltimore, MD (BWI) departure reliability
Of 94,866 scheduled reportable flights departing BWI, 76.1% arrived on time, 13.7% arrived at least 30 minutes late, and 1.7% 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
76.1%arrived on time
13.7%30+ min late
1.7%cancelled
94,866scheduled flights
MOST-FLOWN DIRECTIONS
ALL ROUTES →Which route from BWI had the largest sample?
BWI to ATL was BWI's largest published route sample, with 5,415 scheduled flights and a 78.9% on-time rate during July 2025–June 2026.
BWI→ATLBaltimore, MD (BWI) to Atlanta, GA (ATL)5,415 flights analyzedGenerally reliable78.9%on timeBWI→MCOBaltimore, MD (BWI) to Orlando, FL (MCO)4,713 flights analyzedGenerally reliable73.7%on timeBWI→BOSBaltimore, MD (BWI) to Boston, MA (BOS)3,556 flights analyzedVariable72.8%on timeBWI→FLLBaltimore, MD (BWI) to Fort Lauderdale, FL (FLL)3,108 flights analyzedGenerally reliable74.1%on timeBWI→CLTBaltimore, MD (BWI) to Charlotte, NC (CLT)2,998 flights analyzedGenerally reliable79.3%on timeBWI→DENBaltimore, MD (BWI) to Denver, CO (DEN)2,867 flights analyzedGenerally reliable74.5%on timeBWI→TPABaltimore, MD (BWI) to Tampa, FL (TPA)2,721 flights analyzedGenerally reliable77.1%on timeBWI→ORDBaltimore, MD (BWI) to Chicago, IL (ORD)2,690 flights analyzedGenerally reliable72.9%on timeBWI→MIABaltimore, MD (BWI) to Miami, FL (MIA)2,286 flights analyzedGenerally reliable72.9%on timeBWI→DTWBaltimore, MD (BWI) to Detroit, MI (DTW)2,257 flights analyzedGenerally reliable80.2%on timeBWI→PVDBaltimore, MD (BWI) to Providence, RI (PVD)1,875 flights analyzedGenerally reliable77.7%on timeBWI→MDWBaltimore, MD (BWI) to Chicago, IL (MDW)1,844 flights analyzedGenerally reliable73.7%on timeBWI→BNABaltimore, MD (BWI) to Nashville, TN (BNA)1,836 flights analyzedGenerally reliable78.8%on timeBWI→DALBaltimore, MD (BWI) to Dallas, TX (DAL)1,815 flights analyzedGenerally reliable74.4%on timeBWI→LASBaltimore, MD (BWI) to Las Vegas, NV (LAS)1,811 flights analyzedGenerally reliable77.8%on time
Which airline was most reliable departing BWI?
Among qualifying BWI airline departure results, Delta Air Lines had the highest on-time rate: 84.1% of 5,306 flights. SkyWest Airlines was lowest at 44.2% across 43 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 72,336 | 75.8% | 13.6% | 1.5% |
| Delta Air Lines | 5,306 | 84.1% | 9.2% | 1.8% |
| United Airlines | 4,163 | 79.8% | 11.8% | 1.0% |
| American Airlines | 3,462 | 78.0% | 13.1% | 2.4% |
| Frontier Airlines | 3,297 | 66.0% | 22.9% | 3.2% |
| Spirit Airlines | 3,159 | 75.0% | 15.0% | 2.9% |
| Republic Airways | 1,374 | 78.6% | 14.0% | 3.1% |
| Envoy Air | 1,021 | 72.9% | 17.1% | 3.3% |
| Alaska Airlines | 648 | 69.6% | 16.7% | 0.8% |
| PSA Airlines | 57 | 68.4% | 26.3% | 0.0% |
| SkyWest Airlines | 43 | 44.2% | 39.5% | 2.3% |
Origin report, not airport-wide operations.
These figures summarize the reported scheduled passenger flights in the dataset, not every flight or every airport process.