FlightRecord

US Flight Delays in January 2025

By Sharon Ben-Moshe · US DOT data · last updated 2026-09-28

In January 2025, US airlines operated 539,747 domestic flights and 81% arrived on time, up 2.4 points from December 2024. Hawaiian Airlines led the reporting carriers at 86% on time; Frontier Airlines trailed at 74%.

Flights
539,747
On-time
81%
arrived <15 min late
Avg delay
14 min
Cancelled
3.0%
vs Dec 2024
+2.4 pts
on-time change

Airline on-time rates in January 2025

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

AirlineOn-timevs prior monthAvg delayFlights
Hawaiian Airlines86%+2.2 pts11 min6,690
Southwest Airlines85%+4.3 pts9 min105,307
Republic Airways84%+2.4 pts10 min27,833
United Airlines82%+1.2 pts12 min62,007
Alaska Airlines82%+4.1 pts10 min18,163
Spirit Airlines82%+4.3 pts12 min17,544
Envoy Air82%+1.9 pts14 min21,890
Delta Air Lines81%+0.3 pts16 min76,306
American Airlines81%+3.5 pts16 min75,088
SkyWest Airlines79%+1.0 pts19 min65,036
Allegiant Air76%+3.3 pts22 min9,345
JetBlue Airways75%+6.3 pts16 min17,918
PSA Airlines74%+1.9 pts23 min21,094
Frontier Airlines74%-1.6 pts21 min15,526

Most delayed large airports

  1. PBI — West Palm Beach/Palm Beach73%
  2. SJU — San Juan74%
  3. FLL — Fort Lauderdale75%
  4. DFW — Dallas/Fort Worth77%
  5. DEN — Denver77%

Most reliable large airports

  1. OGG — Kahului90%
  2. SJC — San Jose90%
  3. HNL — Honolulu89%
  4. PDX — Portland87%
  5. SMF — Sacramento87%

Most delay-prone routes in January 2025

Routes with at least 60 flights in the month.

  1. GRR → DFW46%
  2. ATL → ASE46%
  3. HSV → DCA48%
  4. DFW → BOI51%
  5. BDL → SJU52%
  6. DEN → LBB52%
  7. TVC → DTW53%
  8. DCA → CVG53%

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

More reports

Based on 539,747 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.