Baltimore/Washington International Thurgood Marshall in November 2024

83.5%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 November 2024, reporting carriers scheduled 7,796 domestic departures from Baltimore/Washington International Thurgood Marshall (BWI). 83.5% left less than 15 minutes late and 87.1% reached their destination on time; 0.1% were cancelled.

Nationally that month, 85.2% of flights departed on time and 84.8% arrived on time, so BWI departures were 1.7 points below the national departure figure.

A year earlier, in November 2023, the airport had 8,293 departures with 78.9% leaving on time: a change of +4.6 points, with flights down 6%.

Flights arriving at BWI that month were on time 88.6% of the time (7,794 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 38% and national aviation system 19%.

On time 87.1%
Arrived 15+ minutes late 12.7%
Cancelled 0.1%
Diverted 0.1%

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

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

Measure	Nov 2024	Nov 2023	BWI, 12 months to Jul 2026	All reported flights, Nov 2024
Departed on time	83.5%	78.9%	71.7%	85.2%
Arrived on time	87.1%	82.7%	76.4%	84.8%
Cancelled	0.1%	0.1%	1.8%	0.5%
Average departure delay (late minutes only)	9.0 min	10.6 min	16.5 min	10.2 min
Scheduled departures a day	260	276	259	19,180
Scheduled departures	7,796	8,293	94,429	575,404

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	5,817	75%	87.5%	-3.9 min	0.1%
NK Spirit Airlines	533	7%	83.1%	0.9 min	0.0%
DL Delta Air Lines	419	5%	91.9%	-7.1 min	0.0%
UA United Airlines	298	4%	89.6%	-6.5 min	0.0%
F9 Frontier Airlines	270	3%	76.3%	10.7 min	1.5%
AA American Airlines	260	3%	87.7%	-5.4 min	0.0%
YX Republic Airline	74	1%	91.9%	0.1 min	0.0%
MQ Envoy Air	60	1%	88.3%	-2.0 min	0.0%
AS Alaska Airlines	50	1%	80.0%	-5.2 min	0.0%
G4 Allegiant Air	9	0%	77.8%	13.8 min	0.0%
OO SkyWest Airlines	6	0%	100.0%	-9.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BWI–ATL	Baltimore to Atlanta	535	85.6%	-1.7 min	0.2%
BWI–MCO	Baltimore to Orlando	414	88.2%	-8.0 min	0.2%
BWI–BOS	Baltimore to Boston	373	87.4%	-1.5 min	0.0%
BWI–FLL	Baltimore to Fort Lauderdale	291	89.7%	-9.0 min	0.0%
BWI–TPA	Baltimore to Tampa	264	94.3%	-11.1 min	0.0%
BWI–CLT	Baltimore to Charlotte	255	82.7%	1.4 min	0.0%
BWI–DEN	Baltimore to Denver	249	85.1%	-1.0 min	0.8%
BWI–ORD	Baltimore to Chicago	200	89.0%	-4.2 min	0.0%
BWI–DTW	Baltimore to Detroit	179	89.4%	-5.3 min	0.0%
BWI–LAS	Baltimore to Las Vegas	163	87.7%	-1.5 min	0.0%
BWI–DAL	Baltimore to Dallas	161	87.0%	-5.1 min	0.0%
BWI–BNA	Baltimore to Nashville	159	89.9%	-6.5 min	0.0%

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), November 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2024	Minutes
Air carrier	38.1%	36.9%	18,511
Late-arriving aircraft	39.8%	35.6%	19,308
National Aviation System	18.6%	21.9%	9,021
Extreme weather	3.4%	5.4%	1,661
Security	0.1%	0.2%	50

48,551 delay minutes on 989 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left BWI on time in November 2024?

83.5% of 7,796 scheduled domestic departures left less than 15 minutes late, and 87.1% reached their destination on time. The national figures that month were 85.2% and 84.8%.

How does that compare with a year earlier?

In November 2023, 78.9% of 8,293 departures left on time and 0.1% were cancelled, against 83.5% and 0.1% in November 2024.

Provenance

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