Most Improved Major Airports for On-Time Departures
Airports · Aug 2025 – Jul 2026
Data through July 2026 · Last updated October 18, 2026
Change in on-time departure rate between the last 12 months and the 12 months before.
First place goes to Houston (IAH) (1.7 pts); Dallas (DAL) comes last of 68 (-6.9 pts).
The median across this list is -2.2 pts.
Top 15: change
Houston (IAH)1.7 pts
Newark (EWR)1.5 pts
Washington (IAD)1.3 pts
Atlanta (ATL)0.5 pts
Salt Lake City (SLC)0.2 pts
Denver (DEN)0.2 pts
Norfolk (ORF)-0.3 pts
Charlotte (CLT)-0.5 pts
Cincinnati (CVG)-0.5 pts
West Palm Beach/Palm Beach (PBI)-0.5 pts
Seattle (SEA)-0.8 pts
Anchorage (ANC)-0.9 pts
Oklahoma City (OKC)-1.0 pts
Tampa (TPA)-1.2 pts
Hartford (BDL)-1.2 pts
Full ranking
| # | Name | Change | Last 12 months | Previous 12 months |
|---|---|---|---|---|
| 1 | Houston (IAH) | +1.7 pts | 79.0% | 77.3% |
| 2 | Newark (EWR) | +1.5 pts | 79.7% | 78.2% |
| 3 | Washington (IAD) | +1.3 pts | 83.8% | 82.4% |
| 4 | Atlanta (ATL) | +0.5 pts | 78.4% | 78.0% |
| 5 | Salt Lake City (SLC) | +0.2 pts | 84.7% | 84.5% |
| 6 | Denver (DEN) | +0.2 pts | 76.2% | 76.0% |
| 7 | Norfolk (ORF) | -0.3 pts | 80.3% | 80.6% |
| 8 | Charlotte (CLT) | -0.5 pts | 75.6% | 76.0% |
| 9 | Cincinnati (CVG) | -0.5 pts | 81.3% | 81.8% |
| 10 | West Palm Beach/Palm Beach (PBI) | -0.5 pts | 74.5% | 75.0% |
| 11 | Seattle (SEA) | -0.8 pts | 78.9% | 79.7% |
| 12 | Anchorage (ANC) | -0.9 pts | 83.6% | 84.5% |
| 13 | Oklahoma City (OKC) | -1.0 pts | 81.8% | 82.8% |
| 14 | Tampa (TPA) | -1.2 pts | 77.7% | 78.9% |
| 15 | Hartford (BDL) | -1.2 pts | 80.9% | 82.1% |
| 16 | Baltimore (BWI) | -1.3 pts | 72.9% | 74.3% |
| 17 | New Orleans (MSY) | -1.4 pts | 77.2% | 78.5% |
| 18 | Charleston (CHS) | -1.5 pts | 79.7% | 81.2% |
| 19 | Miami (MIA) | -1.5 pts | 74.0% | 75.5% |
| 20 | San Antonio (SAT) | -1.5 pts | 81.3% | 82.8% |
| 21 | Louisville (SDF) | -1.6 pts | 81.8% | 83.4% |
| 22 | Boise (BOI) | -1.6 pts | 84.3% | 85.9% |
| 23 | Jacksonville (JAX) | -1.6 pts | 79.4% | 81.0% |
| 24 | Pittsburgh (PIT) | -1.6 pts | 82.3% | 83.9% |
| 25 | Portland (PDX) | -1.7 pts | 83.3% | 85.1% |
| 26 | Albuquerque (ABQ) | -1.8 pts | 81.9% | 83.7% |
| 27 | Philadelphia (PHL) | -1.8 pts | 76.1% | 77.9% |
| 28 | Columbus (CMH) | -1.9 pts | 81.2% | 83.0% |
| 29 | Minneapolis (MSP) | -1.9 pts | 80.9% | 82.8% |
| 30 | Raleigh/Durham (RDU) | -2.0 pts | 79.3% | 81.3% |
| 31 | Reno (RNO) | -2.0 pts | 81.4% | 83.4% |
| 32 | Burbank (BUR) | -2.0 pts | 80.9% | 82.9% |
| 33 | Memphis (MEM) | -2.2 pts | 80.0% | 82.1% |
| 34 | Cleveland (CLE) | -2.2 pts | 81.1% | 83.3% |
| 35 | Sacramento (SMF) | -2.2 pts | 80.6% | 82.8% |
| 36 | New York (JFK) | -2.3 pts | 78.1% | 80.4% |
| 37 | Omaha (OMA) | -2.4 pts | 81.1% | 83.4% |
| 38 | Dallas/Fort Worth (DFW) | -2.4 pts | 71.1% | 73.5% |
| 39 | Detroit (DTW) | -2.4 pts | 78.8% | 81.2% |
| 40 | Fort Myers (RSW) | -2.5 pts | 78.5% | 80.9% |
| 41 | San Juan (SJU) | -2.5 pts | 76.0% | 78.4% |
| 42 | Santa Ana (SNA) | -2.8 pts | 79.8% | 82.5% |
| 43 | Boston (BOS) | -3.1 pts | 76.5% | 79.6% |
| 44 | Indianapolis (IND) | -3.1 pts | 80.9% | 84.0% |
| 45 | San Jose (SJC) | -3.2 pts | 81.5% | 84.6% |
| 46 | Milwaukee (MKE) | -3.5 pts | 79.4% | 82.9% |
| 47 | Ontario (ONT) | -3.6 pts | 80.9% | 84.5% |
| 48 | Washington (DCA) | -3.6 pts | 73.4% | 77.1% |
| 49 | Orlando (MCO) | -3.7 pts | 73.6% | 77.2% |
| 50 | Buffalo (BUF) | -3.7 pts | 77.6% | 81.3% |
| 51 | Los Angeles (LAX) | -3.8 pts | 79.8% | 83.5% |
| 52 | Kansas City (MCI) | -3.8 pts | 79.0% | 82.8% |
| 53 | Austin (AUS) | -3.8 pts | 75.0% | 78.9% |
| 54 | Kahului (OGG) | -3.8 pts | 84.9% | 88.7% |
| 55 | Honolulu (HNL) | -3.9 pts | 84.3% | 88.2% |
| 56 | Las Vegas (LAS) | -4.1 pts | 74.4% | 78.5% |
| 57 | Phoenix (PHX) | -4.2 pts | 76.7% | 80.9% |
| 58 | Chicago (ORD) | -4.4 pts | 73.4% | 77.8% |
| 59 | San Diego (SAN) | -4.5 pts | 74.4% | 78.9% |
| 60 | Houston (HOU) | -4.8 pts | 73.4% | 78.1% |
| 61 | St. Louis (STL) | -5.0 pts | 75.1% | 80.0% |
| 62 | New York (LGA) | -5.1 pts | 76.0% | 81.1% |
| 63 | San Francisco (SFO) | -5.3 pts | 75.9% | 81.2% |
| 64 | Chicago (MDW) | -5.6 pts | 71.8% | 77.4% |
| 65 | Oakland (OAK) | -6.2 pts | 75.9% | 82.1% |
| 66 | Fort Lauderdale (FLL) | -6.4 pts | 70.0% | 76.5% |
| 67 | Nashville (BNA) | -6.8 pts | 72.1% | 78.9% |
| 68 | Dallas (DAL) | -6.9 pts | 68.3% | 75.2% |