On-Time Report

Airlines › Delta Air Lines › March 2026

Carrier month · March 2026

Delta Air Lines in March 2026

76.8%arrived 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 March 2026, Delta Air Lines (DL) reported 86,890 scheduled domestic flights. 76.8% arrived on time, 3.6% were cancelled and 0.3% diverted.

All reporting carriers together recorded 73.2% on time and 2.9% cancelled that month, so the carrier was 3.6 points above the combined figure.

A year earlier, in March 2025, it reported 84,487 flights with 81.0% on time: a change of −4.2 points.

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 44%, late-arriving aircraft 27% and national aviation system 24%.

Every scheduled domestic flight reported by Delta Air Lines in March 2026.

March 2026 against a year earlier, the carrier's year and all carriers

MeasureMar 2026Mar 2025DL, 12 months to Jul 2026All carriers, Mar 2026
Arrived on time76.8%81.0%79.9%73.2%
Departed on time77.6%81.5%80.6%72.8%
Cancelled3.6%0.5%1.7%2.9%
Average arrival delay5.6 min3.9 min3.9 min10.6 min
Scheduled flights a day2,8962,8162,84620,403
Scheduled flights86,89084,4871,038,644612,102

141 airports and 902 routes had DL flights that month.

Busiest airports that month

AirportDeparturesOn timeAvg arrival delayCancelled
ATL Atlanta20,26474.2%9.1 min3.4%
MSP Minneapolis5,08375.6%2.7 min4.6%
DTW Detroit5,07973.0%8.1 min2.8%
SLC Salt Lake City4,76483.8%-1.2 min1.7%
LAX Los Angeles3,17576.0%5.2 min2.3%
SEA Seattle2,59675.8%5.1 min3.5%
JFK New York2,53776.9%0.7 min3.0%
LGA New York2,35768.9%4.6 min8.8%
BOS Boston2,13376.3%4.9 min2.6%
MCO Orlando2,03371.7%9.3 min5.2%
LAS Las Vegas1,41384.7%-0.2 min2.1%
TPA Tampa1,33877.8%6.2 min3.9%
FLL Fort Lauderdale1,27964.5%20.3 min4.8%
SFO San Francisco1,11885.1%-2.1 min2.8%
AUS Austin1,11779.2%5.0 min2.6%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of DL flights that arrived on time, by scheduled departure hour (local time at each origin), March 2026.

Delay causes

BTS cause categoryShare of delay minutesAll carriers, Mar 2026Minutes
Air carrier44.2%33.5%555,928
Late-arriving aircraft27.2%39.3%341,691
National Aviation System23.5%21.0%295,954
Extreme weather5.1%5.9%64,140
Security0.0%0.2%616
1,258,329 delay minutes on 16,789 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← February 2026April 2026 →

Questions and answers

What share of Delta Air Lines flights were on time in March 2026?

76.8% of 86,890 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 73.2% that month.

How does that compare with a year earlier?

In March 2025 the carrier reported 84,487 flights with 81.0% on time and 0.5% cancelled, against 76.8% and 3.6% in March 2026.

Provenance

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