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14,864 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 7 in 10.

Best time to leave 6–7 am 95% arrive on time from EWR, 90% arrive on time from LGA, 86% arrive on time from JFK
Best airport pair JFK → IAD 78% on time, 4.5% cancelled, 713 flights
Best single flight UA 1366 EWR 06:00 → IAD 07:22 · 96% on time Avoid UA 4486 EWR 15:30 → DCA 16:57 · 42% on time

Time of day × airport

Share of flights leaving within 15 minutes, by scheduled departure hour: all flights from that airport, wherever they’re going. Blank: fewer than 40 flights.

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
JFK
91
91
90
87
86
82
83
81
79
76
74
76
74
72
70
66
68
67
62
LGA
92
92
91
88
86
83
81
79
79
73
70
68
66
66
67
64
64
55
EWR
92
92
90
87
88
84
85
80
81
78
76
76
73
71
70
67
71
61
% leaving within 15 min, all flights from that airport: 85+75–8465–7455–64under 55

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
Delta (incl. Endeavor, Republic) 4,101 72% 5.6% 66 min
United (incl. GoJet, Mesa, Republic) 6,558 70% 4.8% 80 min
American (incl. Republic) 3,760 68% 5.1% 62 min
JetBlue JFK→DCA only 445 54% 5.8% 83 min

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
UA 1366 EWR 06:00 IAD 07:22 96%
UA 3656flown by Republic LGA 06:00 IAD 07:26 93%
DL 5770flown by Republic LGA 06:05 DCA 07:23 89%
DL 5742flown by Republic LGA 08:50 DCA 10:15 83%
AA 4538flown by Republic JFK 06:30 DCA 07:59 81%
· · ·
DL 5724flown by Republic LGA 19:20 DCA 20:59 50%
UA 4457flown by GoJet EWR 20:20 DCA 21:53 45%
UA 4486flown by GoJet EWR 15:30 DCA 16:57 42%
All 49 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
Delta JFK IAD 1h 32m 78% 4.5% 713 Flying now
United LGA IAD 1h 29m 76% 6.7% 1,450 Flying now
United EWR IAD 1h 26m 75% 2.7% 1,826 Flying now
American JFK DCA 1h 34m 71% 4.9% 1,242 Flying now
Delta LGA DCA 1h 27m 70% 5.6% 2,312 Flying now
Delta JFK DCA 1h 33m 70% 6.3% 1,076 Flying now
American LGA DCA 1h 28m 66% 5.2% 2,518 Flying now
United EWR DCA 1h 25m 65% 5.1% 3,282 Flying now
JetBlue JFK DCA 1h 22m 54% 5.8% 445 Flying now
Pick a date and this becomes a forecast Coming soon: within 3 days of travel, the same ranking will use that day’s weather and our odds for each flight.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON