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Spring Airlines Japan Delay Rate, Cancellations & On-Time Performance IJ

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.

Delay rate 16.4% Delay rate is the share of flights departing more than 15 minutes after schedule (100% − on-time departure)

83.6% On-time departure 84% On-time arrival

Cancellation: 0% / Avg delay when late: 45min

Last 28 days ・ 843 flights ・ Includes estimates 572 estimated

Some airlines do not publish gate departure/arrival times. For those flights we estimate the gate times from the takeoff/landing record and the airport's measured taxi times (validated at 3.5 min mean error, 94.4% agreement on the on-time call). Without the estimate, those airlines' flights would drop out of the sample entirely and cross-airline comparison would break.

Daily · Last 30 days

On-time departureOn timeDelayed
40%60%80%100%050 100%50%68.6%2026-09-0635 flights ・ Avg delay when late +23minOn time 24 ・ Delayed 1184.8%2026-09-0733 flightsOn time 28 ・ Delayed 587.5%2026-09-0832 flightsOn time 28 ・ Delayed 468.8%2026-09-0932 flights ・ Avg delay when late +56minOn time 22 ・ Delayed 1073.3%2026-09-1030 flights ・ Avg delay when late +112minOn time 22 ・ Delayed 880.6%2026-09-1136 flights ・ Avg delay when late +24minOn time 29 ・ Delayed 786.8%2026-09-1238 flights ・ Avg delay when late +18minOn time 33 ・ Delayed 582.9%2026-09-1335 flights ・ Avg delay when late +17minOn time 29 ・ Delayed 688.2%2026-09-1434 flights ・ Avg delay when late +25minOn time 30 ・ Delayed 475.8%2026-09-1533 flights ・ Avg delay when late +31minOn time 25 ・ Delayed 878.8%2026-09-1633 flights ・ Avg delay when late +29minOn time 26 ・ Delayed 788.9%2026-09-1736 flights ・ Avg delay when late +25minOn time 32 ・ Delayed 486.8%2026-09-1838 flights ・ Avg delay when late +29minOn time 33 ・ Delayed 583.3%2026-09-1936 flights ・ Avg delay when late +27minOn time 30 ・ Delayed 687.5%2026-09-2032 flights ・ Avg delay when late +20minOn time 28 ・ Delayed 450%2026-09-2114 flights ・ Avg delay when late +20minOn time 7 ・ Delayed 762.5%2026-09-2216 flights ・ Avg delay when late +162minOn time 10 ・ Delayed 685%2026-09-2320 flights ・ Avg delay when late +23minOn time 17 ・ Delayed 375%2026-09-2420 flights ・ Avg delay when late +107minOn time 15 ・ Delayed 587.9%2026-09-2533 flights ・ Avg delay when late +62minOn time 29 ・ Delayed 491.4%2026-09-2635 flightsOn time 32 ・ Delayed 391.2%2026-09-2734 flights ・ Avg delay when late +35minOn time 31 ・ Delayed 375.9%2026-09-2829 flights ・ Avg delay when late +29minOn time 22 ・ Delayed 772.4%2026-09-2929 flights ・ Avg delay when late +22minOn time 21 ・ Delayed 887.5%2026-09-3032 flights ・ Avg delay when late +38minOn time 28 ・ Delayed 493.5%2026-10-0131 flightsOn time 29 ・ Delayed 291.4%2026-10-0235 flights ・ Avg delay when late +19minOn time 32 ・ Delayed 394.4%2026-10-0336 flightsOn time 34 ・ Delayed 281.8%2026-10-04 (Provisional)11 flights ・ Avg delay when late +41minOn time 9 ・ Delayed 2100%2026-10-05 (Provisional)8 flightsOn time 8 ・ Delayed 0
Sep 6Sep 12Sep 18Sep 24Oct 5

Line = on-time departure rate (left axis); bars = flights operated (right axis), stacked as on-time and delayed. Hover (or tap) a point for the breakdown and the average delay of delayed flights. The green band marks 90% on-time departures and above. Dashed segments and pale bars are provisional, before the actuals are final.

Weekly · Last 12 weeks (from Monday)

On-time departureOn timeDelayed
70%80%90%100%0250 100%80.9%90%Week of 2026-07-2040 flights ・ Avg delay when late +40minOn time 36 ・ Delayed 489.6%Week of 2026-07-27106 flights ・ Avg delay when late +39minOn time 95 ・ Delayed 1191.7%Week of 2026-08-03242 flights ・ Avg delay when late +37minOn time 222 ・ Delayed 2086.1%Week of 2026-08-10166 flights ・ Avg delay when late +66minOn time 143 ・ Delayed 2390.5%Week of 2026-08-17210 flights ・ Avg delay when late +74minOn time 190 ・ Delayed 2087.1%Week of 2026-08-24232 flights ・ Avg delay when late +46minOn time 202 ・ Delayed 3081.7%Week of 2026-08-31235 flights ・ Avg delay when late +26minOn time 192 ・ Delayed 4380.9%Week of 2026-09-07236 flights ・ Avg delay when late +48minOn time 191 ・ Delayed 4584.3%Week of 2026-09-14242 flights ・ Avg delay when late +26minOn time 204 ・ Delayed 3882%Week of 2026-09-21172 flights ・ Avg delay when late +76minOn time 141 ・ Delayed 3186.2%Week of 2026-09-28 (Provisional)203 flights ・ Avg delay when late +30minOn time 175 ・ Delayed 28100%Week of 2026-10-05 (Provisional)8 flightsOn time 8 ・ Delayed 0
Jul 20Aug 10Aug 31Oct 5

Line = on-time departure rate (left axis); bars = flights operated (right axis), stacked as on-time and delayed. Hover (or tap) a point for the breakdown and the average delay of delayed flights. The green band marks 90% on-time departures and above. Dashed segments and pale bars are provisional, before the actuals are final.

Monthly · Last 12 months

On-time departureOn timeDelayed
70%80%90%100%01000 92.6%81.4%87.1%2026-07116 flights ・ Avg delay when late +43minOn time 101 ・ Delayed 1589.6%2026-08958 flights ・ Avg delay when late +50minOn time 858 ・ Delayed 10081.4%2026-09939 flights ・ Avg delay when late +41minOn time 764 ・ Delayed 17592.6%2026-10 (Provisional)121 flights ・ Avg delay when late +33minOn time 112 ・ Delayed 9
JulAugSepOct

Line = on-time departure rate (left axis); bars = flights operated (right axis), stacked as on-time and delayed. Hover (or tap) a point for the breakdown and the average delay of delayed flights. The green band marks 90% on-time departures and above. Dashed segments and pale bars are provisional, before the actuals are final.

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

Fleet rotation highlights for 10/5

Provisional

Among aircraft that flew two or more legs yesterday, these had the lowest and highest average departure delay per flight (early departures count as 0). Actual times may still be corrected during the day.

On timeLate (16+ min)Very late (60+ min)CancelledDivertedSchedule-basedUnknown

Most delayed aircraft

JA81YA avg +62 min · 2 flights · 50% on time

69121518
IJ451NRT→OKAS 06:00 09:00A — —
IJ452OKA→NRTS 11:30 13:30A — —
FlightLeg SchedActual Dep delay
IJ451NRT→OKA06:00 09:00— —−13
IJ452OKA→NRT11:30 13:30— —+124

Most on-time aircraft

JA82YA avg +0.3 min · 7 flights · 100% on time

0369121518212427
IJ444KKJ→HNDS 01:35 03:10A — —
IJ445HND→KKJS 04:35 06:25A — —
IJ422KKJ→NRTS 08:00 09:50A — —
IJ423NRT→KKJS 11:05 13:00A — —
IJ464KKJ→CTSS 14:15 16:30A — —
IJ408CTS→NRTS 18:15 20:00A — —
IJ425NRT→KKJS 22:25 00:20A — —
FlightLeg SchedActual Dep delay
IJ444KKJ→HND01:35 03:10— —−23
IJ445HND→KKJ04:35 06:25— —+2
IJ422KKJ→NRT08:00 09:50— —−19
IJ423NRT→KKJ11:05 13:00— —−11
IJ464KKJ→CTS14:15 16:30— —−11
IJ408CTS→NRT18:15 20:00— —−27
IJ425NRT→KKJ22:25 00:20— —−24

See the rotation of the whole Spring Airlines Japan fleet

By route

Last 24 months

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Domestic / International

On-time departureAvg delay
when late
n
Domestic
86.8%+29minn=619
International
75%+59minn=224

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

By aircraft type

On-time departureAvg delay
when late
n
Narrow-body
B737
81.5%+45minn=368
A320
87.4%—n=358
Other
737
78.6%+45minn=117

Avg delay when late counts only flights that departed more than 15 minutes behind schedule / Variants of the same type (B788, B789, B78X and so on) are grouped into one row.

By departure time

On-time departureAvg delay
when late
n
0:00-3:00
100%—n=45
3:00-6:00
95.6%—n=45
6:00-9:00
93.5%+79minn=169
9:00-12:00
67.7%+38minn=220
12:00-15:00
88.5%+38minn=104
15:00-18:00
74.3%+29minn=101
18:00-21:00
87.7%+49minn=114
21:00-24:00
95.6%—n=45

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

By day of week Last 24 months

Mon
Dep
87.8%n=278
Arr
88.1%n=277
Tue
Dep
84.9%n=272
Arr
85.3%n=266
Wed
Dep
83.8%n=265
Arr
87.7%n=261
Thu
Dep
82%n=272
Arr
81.7%n=263
Fri
Dep
85.8%n=324
Arr
83.9%n=316
Sat
Dep
88.9%n=352
Arr
88.5%n=348
Sun
Dep
87.8%n=295
Arr
86.9%n=291

See the full aircraft rotation history

Ship charts and fleet rotation show the last 3 days to everyone. Standard members (¥280/month) get the last 27 days for aircraft of Japanese airlines. The on-time data itself is free for all.

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Updated: / Last 28 days

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