On-Time Report

Airports › Harrisburg (MDT) › May 2026

Airport month · May 2026

Harrisburg International in May 2026

82.0%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 May 2026, reporting carriers scheduled 560 domestic departures from Harrisburg International (MDT). 82.0% left less than 15 minutes late and 78.8% reached their destination on time; 2.0% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so MDT departures were 4.9 points above the national departure figure.

A year earlier, in May 2025, the airport had 479 departures with 83.7% leaving on time: a change of −1.7 points, with flights up 17%.

Flights arriving at MDT that month were on time 78.3% of the time (563 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 48%, late-arriving aircraft 26% and national aviation system 21%.

Every scheduled departure from MDT in May 2026, judged by arrival at the destination.

May 2026 against a year earlier, the airport's year and the nation

MeasureMay 2026May 2025MDT, 12 months to Jul 2026All reported flights, May 2026
Departed on time82.0%83.7%76.4%77.1%
Arrived on time78.8%83.1%75.4%77.6%
Cancelled2.0%0.8%2.4%0.9%
Average departure delay (late minutes only)15.7 min15.4 min22.3 min16.0 min
Scheduled departures a day19161620,391
Scheduled departures5604795,767611,735

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
AA American Airlines11721%74.4%2.5 min3.4%
G4 Allegiant Air9116%60.4%29.0 min0.0%
OO SkyWest Airlines8816%79.5%12.9 min1.1%
DL Delta Air Lines8716%87.4%-0.4 min4.6%
YX Republic Airline7513%90.7%-8.8 min0.0%
UA United Airlines6211%82.3%4.2 min3.2%
OH PSA Airlines214%81.0%-0.6 min0.0%
MQ Envoy Air193%89.5%-2.0 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
MDT–ORDHarrisburg to Chicago21379.8%1.4 min2.8%
MDT–ATLHarrisburg to Atlanta8787.4%-0.4 min4.6%
MDT–CLTHarrisburg to Charlotte5581.8%-1.2 min0.0%
MDT–DTWHarrisburg to Detroit5282.7%18.3 min0.0%
MDT–BOSHarrisburg to Boston3193.5%-7.1 min0.0%
MDT–DFWHarrisburg to Dallas/Fort Worth3174.2%-0.6 min3.2%
MDT–SFBHarrisburg to Sanford2378.3%7.4 min0.0%
MDT–PIEHarrisburg to St. Petersburg1323.1%35.3 min0.0%
MDT–FLLHarrisburg to Fort Lauderdale1010.0%38.5 min0.0%
MDT–PGDHarrisburg to Punta Gorda1090.0%-14.1 min0.0%
MDT–BNAHarrisburg to Nashville955.6%48.9 min0.0%
MDT–MYRHarrisburg to Myrtle Beach977.8%8.3 min0.0%

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), May 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, May 2026Minutes
Air carrier48.0%33.0%4,167
Late-arriving aircraft26.1%40.4%2,266
National Aviation System20.6%20.5%1,790
Extreme weather5.3%6.0%457
Security0.1%0.1%9
8,689 delay minutes on 105 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← April 2026June 2026 →

Questions and answers

How many flights left MDT on time in May 2026?

82.0% of 560 scheduled domestic departures left less than 15 minutes late, and 78.8% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 83.7% of 479 departures left on time and 0.8% were cancelled, against 82.0% and 2.0% in May 2026.

Provenance

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