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Airport · 12 months to July 2026
Philadelphia International: delays and on-time record
Philadelphia, Pennsylvania
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report. Data through July 2026; this is a monthly history, not live airport status.
Reporting carriers scheduled 100,793 domestic departures from Philadelphia International (PHL), Philadelphia, in the 12 months to July 2026: about 276 a day to 90 destinations.
74.1% of those flights left the gate less than 15 minutes late, 2.0 points below the national departure figure of 76.1%. Flights arriving at PHL were on time 74.8% of the time, 1.2 points below the national arrival figure of 76.0%.
2.7% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 20.2 min.
American Airlines is the largest reporting carrier at PHL with 46% of departures. Among carriers with at least 1,008 departures, Delta Air Lines had the highest on-time arrival share for its PHL departures (80.7%) and Frontier Airlines the lowest (66.9%).
On-time departures are down 2.2 points on the previous 12 months (76.3%).
Of the delay minutes that carriers assigned to a BTS cause category for flights leaving PHL, late-arriving aircraft 44%, air carrier 29% and national aviation system 21%.
- On time 73.4%
- Arrived 15+ minutes late 23.6%
- Cancelled 2.7%
- Diverted 0.3%
As origin and as destination, against the nation
| Measure | Departures from PHL | Arrivals at PHL | All reported flights | PHL departures, previous 12 months |
|---|---|---|---|---|
| Departed on time (less than 15 min late) | 74.1% | 74.1% | 76.1% | 76.3% |
| Arrived on time | 73.4% | 74.8% | 76.0% | 73.7% |
| Cancelled | 2.7% | 2.7% | 1.8% | 2.2% |
| Diverted | 0.3% | 0.2% | 0.3% | 0.3% |
| Average departure delay (late minutes only) | 20.2 min | 22.3 min | 17.4 min | 19.3 min |
| Arrival delay minutes per 100 flights | 1,968 | 2,089 | 1,684 | 2,017 |
| Scheduled flights | 100,793 | 100,783 | 7,043,858 | 99,590 |
12 months to July 2026. The first column follows flights that left PHL; the second follows flights that landed there. Year on year, on-time departures moved −2.2 pts.
Airlines at PHL
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| AA American Airlines | 46,717 | 46% | 73.9% | 8.9 min | 2.2% |
| OH PSA Airlines | 17,411 | 17% | 71.1% | 11.7 min | 4.5% |
| F9 Frontier Airlines | 9,279 | 9% | 66.9% | 16.8 min | 2.7% |
| YX Republic Airline | 6,771 | 7% | 80.1% | 2.0 min | 2.7% |
| DL Delta Air Lines | 6,487 | 6% | 80.7% | 3.3 min | 2.6% |
| WN Southwest Airlines | 5,111 | 5% | 71.5% | 12.5 min | 1.3% |
| UA United Airlines | 4,413 | 4% | 76.7% | 10.5 min | 1.4% |
| NK Spirit Airlines | 1,996 | 2% | 69.4% | 9.4 min | 4.8% |
| B6 JetBlue Airways | 1,719 | 2% | 69.5% | 12.7 min | 3.0% |
| AS Alaska Airlines | 737 | 1% | 66.8% | 10.7 min | 1.6% |
| OO SkyWest Airlines | 89 | 0% | 65.2% | 52.6 min | 2.2% |
| G4 Allegiant Air | 63 | 0% | 49.2% | 43.9 min | 3.2% |
Departures from PHL by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 73.4%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.
Busiest routes from PHL
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| PHL–ATL | Philadelphia to Atlanta | 5,750 | 76.2% | 3.4 min | 3.0% |
| PHL–MCO | Philadelphia to Orlando | 5,334 | 70.4% | 14.3 min | 2.5% |
| PHL–ORD | Philadelphia to Chicago | 5,002 | 70.5% | 17.6 min | 3.4% |
| PHL–BOS | Philadelphia to Boston | 4,978 | 72.8% | 10.2 min | 3.0% |
| PHL–CLT | Philadelphia to Charlotte | 3,521 | 78.0% | 3.6 min | 2.6% |
| PHL–FLL | Philadelphia to Fort Lauderdale | 3,507 | 70.3% | 10.7 min | 3.0% |
| PHL–DFW | Philadelphia to Dallas/Fort Worth | 3,473 | 74.5% | 7.8 min | 3.4% |
| PHL–MIA | Philadelphia to Miami | 3,247 | 75.4% | 7.0 min | 2.4% |
| PHL–DEN | Philadelphia to Denver | 3,033 | 73.3% | 9.9 min | 1.3% |
| PHL–DTW | Philadelphia to Detroit | 2,953 | 77.4% | 7.3 min | 3.3% |
| PHL–BNA | Philadelphia to Nashville | 2,846 | 73.1% | 10.1 min | 2.5% |
| PHL–TPA | Philadelphia to Tampa | 2,652 | 71.2% | 12.7 min | 1.9% |
| PHL–RDU | Philadelphia to Raleigh/Durham | 2,602 | 72.7% | 11.2 min | 2.7% |
| PHL–LAX | Philadelphia to Los Angeles | 2,406 | 77.0% | 5.4 min | 1.4% |
| PHL–PHX | Philadelphia to Phoenix | 2,320 | 78.4% | 3.9 min | 1.6% |
| PHL–MSP | Philadelphia to Minneapolis | 2,051 | 75.5% | 11.4 min | 4.0% |
| PHL–SFO | Philadelphia to San Francisco | 2,047 | 71.5% | 11.5 min | 1.3% |
| PHL–SJU | Philadelphia to San Juan | 1,932 | 60.9% | 22.4 min | 3.3% |
| PHL–IAH | Philadelphia to Houston | 1,847 | 79.2% | 2.3 min | 1.9% |
| PHL–STL | Philadelphia to St. Louis | 1,606 | 76.5% | 8.2 min | 1.6% |
| PHL–JAX | Philadelphia to Jacksonville | 1,564 | 74.3% | 8.9 min | 2.4% |
| PHL–IND | Philadelphia to Indianapolis | 1,559 | 73.3% | 7.1 min | 3.8% |
| PHL–PBI | Philadelphia to West Palm Beach/Palm Beach | 1,554 | 72.4% | 9.0 min | 2.4% |
| PHL–MDW | Philadelphia to Chicago | 1,524 | 72.9% | 13.9 min | 1.7% |
| PHL–LAS | Philadelphia to Las Vegas | 1,484 | 74.9% | 7.3 min | 1.5% |
| PHL–CMH | Philadelphia to Columbus | 1,435 | 77.3% | 4.3 min | 3.1% |
| PHL–SEA | Philadelphia to Seattle | 1,388 | 68.6% | 7.3 min | 1.8% |
| PHL–RSW | Philadelphia to Fort Myers | 1,331 | 70.7% | 13.8 min | 2.8% |
| PHL–CVG | Philadelphia to Cincinnati | 1,256 | 74.8% | 11.6 min | 3.3% |
| PHL–PIT | Philadelphia to Pittsburgh | 1,210 | 74.9% | 8.3 min | 2.4% |
| PHL–AUS | Philadelphia to Austin | 1,164 | 74.7% | 8.8 min | 1.6% |
| PHL–MSY | Philadelphia to New Orleans | 1,133 | 75.4% | 7.1 min | 2.3% |
| PHL–BTV | Philadelphia to Burlington | 1,116 | 72.6% | 11.9 min | 3.8% |
| PHL–CHS | Philadelphia to Charleston | 1,089 | 75.4% | 9.5 min | 2.2% |
| PHL–SAN | Philadelphia to San Diego | 1,046 | 77.6% | 3.8 min | 1.4% |
| PHL–CLE | Philadelphia to Cleveland | 998 | 72.6% | 9.9 min | 4.3% |
| PHL–SAV | Philadelphia to Savannah | 984 | 73.4% | 10.1 min | 2.8% |
| PHL–MCI | Philadelphia to Kansas City | 908 | 72.1% | 7.3 min | 3.6% |
| PHL–ORF | Philadelphia to Norfolk | 829 | 71.5% | 16.3 min | 2.8% |
| PHL–SLC | Philadelphia to Salt Lake City | 818 | 76.5% | 10.1 min | 2.1% |
| PHL–DCA | Philadelphia to Washington | 789 | 55.5% | 28.6 min | 4.3% |
| PHL–MEM | Philadelphia to Memphis | 759 | 76.7% | 4.9 min | 2.9% |
| PHL–PVD | Philadelphia to Providence | 703 | 73.3% | 11.8 min | 4.4% |
| PHL–PWM | Philadelphia to Portland | 675 | 74.2% | 10.4 min | 3.3% |
| PHL–SDF | Philadelphia to Louisville | 608 | 78.8% | 1.4 min | 2.8% |
| PHL–BDL | Philadelphia to Hartford | 572 | 68.5% | 18.7 min | 2.3% |
| PHL–BHM | Philadelphia to Birmingham | 559 | 73.3% | 13.0 min | 2.9% |
| PHL–MKE | Philadelphia to Milwaukee | 503 | 70.4% | 12.8 min | 6.0% |
| PHL–EYW | Philadelphia to Key West | 493 | 80.3% | -1.2 min | 2.8% |
| PHL–BGR | Philadelphia to Bangor | 491 | 72.7% | 11.3 min | 2.2% |
| PHL–XNA | Philadelphia to Fayetteville | 479 | 69.5% | 10.9 min | 4.2% |
| PHL–SRQ | Philadelphia to Sarasota/Bradenton | 462 | 80.1% | 3.0 min | 3.2% |
| PHL–MSN | Philadelphia to Madison | 452 | 73.5% | 6.8 min | 4.6% |
| PHL–GSP | Philadelphia to Greer | 441 | 68.9% | 15.8 min | 2.9% |
| PHL–LEX | Philadelphia to Lexington | 398 | 70.9% | 10.6 min | 3.0% |
| PHL–DAY | Philadelphia to Dayton | 359 | 68.8% | 10.5 min | 5.6% |
| PHL–GRR | Philadelphia to Grand Rapids | 358 | 76.5% | 3.4 min | 4.5% |
| PHL–DSM | Philadelphia to Des Moines | 349 | 72.2% | 10.4 min | 3.7% |
| PHL–TYS | Philadelphia to Knoxville | 344 | 63.4% | 21.3 min | 4.4% |
| PHL–OMA | Philadelphia to Omaha | 330 | 72.4% | 7.9 min | 2.1% |
| PHL–DAL | Philadelphia to Dallas | 324 | 55.2% | 24.2 min | 1.9% |
| PHL–MYR | Philadelphia to Myrtle Beach | 279 | 73.5% | 8.1 min | 3.6% |
| PHL–SAT | Philadelphia to San Antonio | 266 | 68.0% | 13.0 min | 2.3% |
| PHL–PNS | Philadelphia to Pensacola | 264 | 75.8% | 3.5 min | 1.1% |
| PHL–PDX | Philadelphia to Portland | 262 | 69.5% | 12.3 min | 2.3% |
| PHL–BUF | Philadelphia to Buffalo | 261 | 67.4% | 19.7 min | 5.0% |
| PHL–IAD | Philadelphia to Washington | 211 | 82.9% | -2.3 min | 4.3% |
| PHL–STT | Philadelphia to Charlotte Amalie | 187 | 73.3% | 4.1 min | 2.1% |
| PHL–RIC | Philadelphia to Richmond | 136 | 73.5% | 11.8 min | 0.7% |
| PHL–GSO | Philadelphia to Greensboro/High Point | 134 | 69.4% | 13.7 min | 3.0% |
| PHL–SYR | Philadelphia to Syracuse | 127 | 74.0% | 6.2 min | 3.9% |
| PHL–ACK | Philadelphia to Nantucket | 122 | 77.9% | 3.3 min | 1.6% |
The 72 busiest of 90 routes with reported flights. Routes with at least 10 flights a month have their own page.
Month by month
By scheduled departure hour
Among hours with at least 2,016 departures, 5 am to 6 am had the highest on-time share (87.4% of 2,555 flights) and 8 pm to 9 pm the lowest (60.4% of 3,548).
Delay causes
Cancellations by reported reason (2,731 in the period): air carrier 16%, weather 75%, national aviation system 9%, security 0%.
Checkpoint volumes
TSA publishes daily checkpoint passenger counts for the country as a whole, not for PHL on its own. The national series through September 2026 is on the checkpoint volumes page.
Questions and answers
How often do flights leave PHL on time?
74.1% of the 100,793 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 2.7% were cancelled.
How often do flights arrive at PHL on time?
74.8% of 100,783 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.
Which airline has the highest on-time share at PHL?
Counting departures from PHL and whether they reached their destination on time, Delta Air Lines had the highest share (80.7% of 6,487 flights), then Republic Airline (80.1%) and United Airlines (76.7%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.
What causes delays at PHL?
For departures from PHL that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: late-arriving aircraft 44%, air carrier 29%, national aviation system 21%, extreme weather 6%, security 0%.
What time of day has the highest on-time share at PHL?
Departures scheduled from 5 am to 6 am local time left on time 87.4% of the time, the highest of any hour with enough flights to compare; 8 pm to 9 pm was lowest at 60.4%.
Is it getting better?
On-time departures for the 12 months to July 2026 were 74.1%, down 2.2 points on the previous 12 months (76.3%). The monthly chart shows each of the last 36 months, and each month has its own page.
Does this page show today's delays at PHL?
No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.