On-Time Report

Airports › Baltimore (BWI) › October 2025

Airport month · October 2025

Baltimore/Washington International Thurgood Marshall in October 2025

76.2%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In October 2025, reporting carriers scheduled 8,475 domestic departures from Baltimore/Washington International Thurgood Marshall (BWI). 76.2% left less than 15 minutes late and 81.1% reached their destination on time; 0.1% were cancelled.

Nationally that month, 80.0% of flights departed on time and 79.1% arrived on time, so BWI departures were 3.8 points below the national departure figure.

A year earlier, in October 2024, the airport had 8,402 departures with 79.5% leaving on time: a change of −3.3 points, with flights up 1%.

Flights arriving at BWI that month were on time 82.7% of the time (8,479 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 39%, air carrier 37% and national aviation system 21%.

Every scheduled departure from BWI in October 2025, judged by arrival at the destination.

October 2025 against a year earlier, the airport's year and the nation

MeasureOct 2025Oct 2024BWI, 12 months to Jul 2026All reported flights, Oct 2025
Departed on time76.2%79.5%71.7%80.0%
Arrived on time81.1%85.3%76.4%79.1%
Cancelled0.1%1.4%1.8%0.5%
Average departure delay (late minutes only)12.5 min9.7 min16.5 min13.9 min
Scheduled departures a day28328025920,195
Scheduled departures8,4758,40294,429605,844

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines6,37175%79.8%3.5 min0.1%
DL Delta Air Lines4846%91.1%-6.3 min0.0%
UA United Airlines3965%87.6%-4.0 min0.0%
NK Spirit Airlines3945%84.5%-4.6 min1.0%
AA American Airlines3504%78.9%5.2 min0.0%
F9 Frontier Airlines2513%82.9%1.3 min0.0%
YX Republic Airline1071%72.0%13.0 min1.9%
MQ Envoy Air671%88.1%-2.2 min0.0%
AS Alaska Airlines551%87.3%-5.4 min1.8%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
BWI–ATLBaltimore to Atlanta50285.5%-1.0 min0.0%
BWI–MCOBaltimore to Orlando36379.9%6.4 min0.6%
BWI–BOSBaltimore to Boston33667.3%18.6 min0.9%
BWI–CLTBaltimore to Charlotte28882.6%0.2 min0.0%
BWI–DENBaltimore to Denver26988.8%-6.4 min0.0%
BWI–FLLBaltimore to Fort Lauderdale26782.0%1.1 min0.0%
BWI–ORDBaltimore to Chicago24678.0%8.8 min0.0%
BWI–DTWBaltimore to Detroit23190.9%-5.5 min0.0%
BWI–TPABaltimore to Tampa21279.2%1.1 min0.5%
BWI–LASBaltimore to Las Vegas18685.5%-0.3 min0.0%
BWI–MDWBaltimore to Chicago18476.6%3.3 min0.0%
BWI–MIABaltimore to Miami17882.0%-1.1 min0.6%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of departures that left less than 15 minutes late, by scheduled hour (local time), October 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Oct 2025Minutes
Air carrier36.9%34.0%28,601
Late-arriving aircraft39.4%39.7%30,563
National Aviation System21.2%22.9%16,460
Extreme weather1.9%3.3%1,509
Security0.4%0.1%344
77,477 delay minutes on 1,575 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← September 2025November 2025 →

Questions and answers

How many flights left BWI on time in October 2025?

76.2% of 8,475 scheduled domestic departures left less than 15 minutes late, and 81.1% reached their destination on time. The national figures that month were 80.0% and 79.1%.

How does that compare with a year earlier?

In October 2024, 79.5% of 8,402 departures left on time and 1.4% were cancelled, against 76.2% and 0.1% in October 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BWI · methodology · corrections.