Route
DEN → PHL
Denver International Airport Philadelphia International Airport
How punctual is this route?
- On-time arrivals
- 72.8%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 83 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3,056
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 43%
- Airline (crew, maintenance, cleaning) 37%
- Air traffic control & airport 18%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 76.6% | 282 |
| October 2025 | 73.5% | 249 |
| November 2025 | 84.5% | 238 |
| December 2025 | 70.0% | 235 |
| January 2026 | 84.0% | 176 |
| February 2026 | 81.2% | 173 |
| March 2026 | 67.5% | 205 |
| April 2026 | 81.0% | 226 |
| May 2026 | 71.5% | 276 |
| June 2026 | 67.5% | 316 |
| July 2026 | 68.0% | 344 |
| August 2026 | 60.7% | 336 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 952 | 79.0% | 0.5% | 76 min |
| American Airlines | 925 | 78.7% | 2.2% | 115 min |
| Southwest Airlines | 880 | 61.4% | 0.9% | 64 min |
| Frontier Airlines | 299 | 68.1% | 3.7% | 104 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1575
13% late · 301 flights
-
F93340
39% late · 232 flights
-
UA360
22% late · 208 flights
-
AA2672
13% late · 154 flights
-
AA516
13% late · 131 flights
-
UA1510
45% late · 123 flights
-
AA1313
23% late · 115 flights
-
AA2344
12% late · 78 flights
-
UA1214
20% late · 71 flights
-
F92514
9% late · 67 flights
-
AA2500
23% late · 64 flights
-
AA1759
41% late · 63 flights
-
WN2585
24% late · 63 flights
-
AA2491
21% late · 58 flights
-
WN2001
55% late · 58 flights
-
WN4294
17% late · 55 flights
-
AA1534
27% late · 54 flights
-
WN2686
82% late · 52 flights
-
WN3157
29% late · 52 flights
-
WN1998
32% late · 50 flights
-
AA2023
14% late · 44 flights
-
WN1626
30% late · 42 flights
-
WN3247
17% late · 42 flights
-
AA1751
33% late · 40 flights
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