Delta Air Lines On-Time Performance DL

On-time departure and arrival rates compiled from operational records, covering every flight operated to and from Japan. Switch the period with the tabs below.

Cancellation: 3.3% / Avg delay when late: 86min

Last 28 days ・ 152 flights

DailyWeeklyMonthly

Daily · Last 30 days

		Avg delay when late	n
2026-07-24 (Provisional)	100%	—	n=6
2026-07-23 (Provisional)	83.3%	+60min	n=12
2026-07-22	91.7%	+99min	n=12

Avg delay when late counts only flights that departed more than 15 minutes behind schedule / Faded rows are indicative (n<10); below n=5 no rate is shown

Weekly · Last 12 weeks (from Monday)

	On-time departure		Avg delay when late	n
Week of 2026-07-20 (Provisional)		90%	+73min	n=30

Avg delay when late counts only flights that departed more than 15 minutes behind schedule

Monthly · Last 12 months

	On-time departure		Avg delay when late	n
2026-07 (Provisional)		81.4%	+73min	n=140

Avg delay when late counts only flights that departed more than 15 minutes behind schedule

“Provisional” values are preliminary. The last 2 days are still being corrected, so they may change slightly.

By route

Not enough samples yet for a route breakdown.

Domestic / International

	On-time departure		Avg delay when late	n
International		80.8%	+86min	n=146

Avg delay when late counts only flights that departed more than 15 minutes behind schedule

By aircraft type

		Avg delay when late	n
A359	79.3%	+94min	n=92
A359	86.7%	+58min	n=30
B763	77.8%	+93min	n=18
B763	83.3%	+22min	n=6

Avg delay when late counts only flights that departed more than 15 minutes behind schedule / Faded rows are indicative (n<10); below n=5 no rate is shown

By departure time

		Avg delay when late	n
9:00-12:00	79.6%	+115min	n=49
12:00-15:00	81.8%	+58min	n=11
15:00-18:00	79%	+69min	n=62
18:00-21:00	83.3%	+60min	n=12
21:00-24:00	91.7%	+135min	n=12

Avg delay when late counts only flights that departed more than 15 minutes behind schedule

Updated: 2026-07-25 / Last 28 days