On-Time Report

Airports › Baltimore (BWI) › January 2024

Airport month · January 2024

Baltimore/Washington International Thurgood Marshall in January 2024

66.1%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 January 2024, reporting carriers scheduled 7,551 domestic departures from Baltimore/Washington International Thurgood Marshall (BWI). 66.1% left less than 15 minutes late and 68.0% reached their destination on time; 3.6% were cancelled.

Nationally that month, 74.0% of flights departed on time and 72.9% arrived on time, so BWI departures were 7.9 points below the national departure figure.

Flights arriving at BWI that month were on time 74.4% of the time (7,552 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 39%, air carrier 35% and national aviation system 22%.

Every scheduled departure from BWI in January 2024, judged by arrival at the destination.

January 2024 against a year earlier, the airport's year and the nation

MeasureJan 2024Year earlierBWI, 12 months to Jul 2026All reported flights, Jan 2024
Departed on time66.1%—71.7%74.0%
Arrived on time68.0%—76.4%72.9%
Cancelled3.6%—1.8%3.7%
Average departure delay (late minutes only)18.3 min—16.5 min18.7 min
Scheduled departures a day252—25918,242
Scheduled departures7,551—94,429547,271

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines5,76676%66.7%11.4 min3.6%
NK Spirit Airlines4256%69.2%8.9 min1.9%
DL Delta Air Lines3915%77.7%8.2 min0.5%
AA American Airlines2643%70.8%20.9 min1.5%
UA United Airlines2473%74.9%-3.7 min14.2%
F9 Frontier Airlines2043%71.1%19.7 min1.0%
YX Republic Airline721%77.8%5.0 min4.2%
MQ Envoy Air591%61.0%8.8 min6.8%
B6 JetBlue Airways551%70.9%13.6 min1.8%
9E Endeavor Air340%64.7%55.0 min2.9%
AS Alaska Airlines240%37.5%21.5 min37.5%
G4 Allegiant Air100%100.0%-7.2 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
BWI–MCOBaltimore to Orlando49668.5%11.0 min2.4%
BWI–ATLBaltimore to Atlanta42672.1%9.6 min1.9%
BWI–FLLBaltimore to Fort Lauderdale34262.3%15.3 min2.9%
BWI–BOSBaltimore to Boston28869.1%11.7 min5.6%
BWI–TPABaltimore to Tampa27068.1%14.4 min3.0%
BWI–MIABaltimore to Miami24863.7%20.0 min2.8%
BWI–DENBaltimore to Denver23976.6%-2.0 min3.8%
BWI–ORDBaltimore to Chicago22066.4%11.4 min7.7%
BWI–CLTBaltimore to Charlotte21173.0%9.6 min1.4%
BWI–DTWBaltimore to Detroit15165.6%16.5 min2.0%
BWI–RDUBaltimore to Raleigh/Durham15165.6%11.0 min4.0%
BWI–ALBBaltimore to Albany14562.8%12.6 min1.4%

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), January 2024.

Delay causes

BTS cause categoryShare of delay minutesNational, Jan 2024Minutes
Air carrier35.0%32.6%43,643
Late-arriving aircraft39.1%39.0%48,797
National Aviation System22.2%17.9%27,716
Extreme weather3.6%10.3%4,438
Security0.1%0.2%184
124,778 delay minutes on 2,130 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← December 2023February 2024 →

Questions and answers

How many flights left BWI on time in January 2024?

66.1% of 7,551 scheduled domestic departures left less than 15 minutes late, and 68.0% reached their destination on time. The national figures that month were 74.0% and 72.9%.

How does that compare with a year earlier?

January 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2024; 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.