FlightRecord

US Flight Delays in March 2026

By Sharon Ben-Moshe · US DOT data · last updated 2026-07-01

In March 2026, US airlines operated 612,102 domestic flights and 75% arrived on time, down 4.7 points from February 2026. Envoy Air led the reporting carriers at 80% on time; Spirit Airlines trailed at 54%.

Flights
612,102
On-time
75%
arrived <15 min late
Avg delay
20 min
Cancelled
2.9%
vs Feb 2026
-4.7 pts
on-time change

Airline on-time rates in March 2026

Reporting carriers with at least 1,000 flights in the month.

AirlineOn-timevs prior monthAvg delayFlights
Envoy Air80%-3.5 pts16 min26,721
Delta Air Lines80%-3.5 pts16 min86,890
United Airlines79%-5.3 pts18 min70,757
Alaska Airlines78%-4.9 pts14 min27,793
SkyWest Airlines78%-0.4 pts23 min73,391
American Airlines74%-4.4 pts23 min84,647
Southwest Airlines74%-7.4 pts16 min122,298
Republic Airways73%-7.0 pts21 min31,734
Allegiant Air72%-5.8 pts28 min12,522
PSA Airlines71%-1.9 pts31 min20,938
Frontier Airlines70%-8.2 pts27 min20,119
JetBlue Airways70%+2.1 pts23 min21,340
Spirit Airlines54%-14.2 pts38 min12,952

Most delayed large airports

  1. FLLFort Lauderdale59%
  2. MDWChicago62%
  3. HOUHouston63%
  4. BWIBaltimore66%
  5. DALDallas66%

Most reliable large airports

  1. BOIBoise86%
  2. SLCSalt Lake City85%
  3. ONTOntario85%
  4. SJCSan Jose85%
  5. PDXPortland84%

Most delay-prone routes in March 2026

Routes with at least 60 flights in the month.

  1. PHXFLL35%
  2. FLLRIC37%
  3. HOULGA38%
  4. BOSSEA40%
  5. DALLGA40%
  6. PHLDCA41%
  7. FLLACY42%
  8. FLLPIT43%

National figures are flight-weighted averages across all reporting carriers for the month; see the methodology for definitions and limitations.

More reports

Based on 612,102 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.