John F. Kennedy (JFK) – Portland International Jetport (PWM)
In July 2026, 91 flights operated between John F. Kennedy and Portland International Jetport (both directions), and 52.7% left on time, according to the US BTS.
Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.
Flight timing & delays
Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.
Times are local to the departure airport of each flight; both directions are combined.
US domestic sectors recorded by BTS
Source: the US BTS · Oct 12, 2024 → Jul 31, 2026
Lowest average delay12:00–13:009.7min · 336 recorded · 327 measured
Gap to highest-delay hour12.0min12:00 ↔ 14:00
Recorded flights1,636JFK–PWM
Departure hour
On-time departuresPartial coverage: only airlines that report on-time data to the US DOT
100.050.00.0
00:0003:0006:0009:0012:0015:0018:0021:00
Hover, tap or focus a point to see its value, sample and source.
Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
21.710.80.0
00:0003:0006:0009:0012:0015:0018:0021:00
Hover, tap or focus a point to see its value, sample and source.
Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
3361680
00:0003:0006:0009:0012:0015:0018:0021:00
Hover, tap or focus a point to see its value, sample and source.
View the figures
Departure hour
On-time departures
Average departure delay
With departure time
Recorded flights
00:00
No observations
—
—
—
01:00
No observations
—
—
—
02:00
No observations
—
—
—
03:00
No observations
—
—
—
04:00
No observations
—
—
—
05:00
Fewer than 200 measured departures
—
71
71
06:00
Fewer than 200 measured departures
—
173
183
07:00
Fewer than 200 measured departures
—
116
117
08:00
Fewer than 200 measured departures
—
15
15
09:00
Fewer than 200 measured departures
—
14
14
10:00
Fewer than 200 measured departures
—
15
15
11:00
Fewer than 200 measured departures
—
17
18
12:00
81.7%
9.7 min
327
336
13:00
Fewer than 200 measured departures
—
59
63
14:00
72.1%
21.7 min
305
321
15:00
Fewer than 200 measured departures
—
66
68
16:00
No observations
—
—
—
17:00
Fewer than 200 measured departures
—
30
31
18:00
No observations
—
—
—
19:00
No observations
—
—
—
20:00
Fewer than 200 measured departures
—
26
26
21:00
Fewer than 200 measured departures
—
133
135
22:00
Fewer than 200 measured departures
—
189
207
23:00
Fewer than 200 measured departures
—
16
16
Day of week
On-time departuresPartial coverage: only airlines that report on-time data to the US DOT
100.050.00.0
MonTueWedThuFriSatSun
Hover, tap or focus a point to see its value, sample and source.
Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
22.911.40.0
MonTueWedThuFriSatSun
Hover, tap or focus a point to see its value, sample and source.
Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
2421210
MonTueWedThuFriSatSun
Hover, tap or focus a point to see its value, sample and source.
View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
77.3%
16.8 min
229
239
Tuesday
81.2%
11.1 min
213
221
Wednesday
81.0%
9.4 min
210
220
Thursday
75.9%
16.5 min
228
238
Friday
78.9%
10.7 min
237
242
Saturday
75.2%
16.9 min
234
238
Sunday
70.6%
22.9 min
221
238
Month of year
Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.
On-time departuresPartial coverage: only airlines that report on-time data to the US DOT
100.050.00.0
JanFebMarAprMayJunJulAugSepOctNovDec
Hover, tap or focus a point to see its value, sample and source.
Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
22.911.40.0
JanFebMarAprMayJunJulAugSepOctNovDec
Hover, tap or focus a point to see its value, sample and source.
Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
2291150
JanFebMarAprMayJunJulAugSepOctNovDec
Hover, tap or focus a point to see its value, sample and source.
View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
Fewer than 200 measured departures
—
53
60
Feb
Fewer than 200 measured departures
—
51
56
Mar
Fewer than 200 measured departures
—
25
27
Apr
Fewer than 200 measured departures
—
182
182
May
Fewer than 200 measured departures
—
196
200
Jun
69.2%
22.9 min
214
215
Jul
Fewer than 200 measured departures
—
189
229
Aug
Fewer than 200 measured departures
—
120
124
Sep
Fewer than 200 measured departures
—
97
97
Oct
83.8%
6.9 min
228
229
Nov
Fewer than 200 measured departures
—
116
116
Dec
Fewer than 200 measured departures
—
101
101
Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.
Recorded outcomes
On time74.1%1,212
Delayed >15 min22.0%360
Cancelled3.9%64
Missing departure time0.0%0
All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.
On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.
Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.